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Africa’s Vaccine Drive Is Threatened by India’s Provide Halt

NAIROBI, Kenya – The rapidly escalating coronavirus crisis in India is not only forcing hospitals to ration oxygen, it is sending families to find open beds for infected relatives. It is also wreaking havoc on vaccination efforts around the world.

Nowhere is this more evident than in Africa.

Most nations relied on vaccines made in the Serum Institute factory in India. However, the Indian government’s decision to restrict can exports as it deals with its own outbreak means that Africa’s already slow vaccination campaign could soon come to a standstill.

Before India stopped exporting, more than 70 nations received vaccines it had made with a total of more than 60 million doses. Many went to low and middle income countries as part of the Covax program, the global initiative to ensure equitable access to vaccines.

To date, Covax has dispensed 43.4 million doses in 119 countries, but that’s only about 2 percent of the two billion doses expected to be dispensed this year, according to Andrea Taylor, associate director at Duke Global Health Innovation Center.

“Export controls from India are the main limitation on Covax’s current offering,” she wrote in an email.

Even before India stopped shipping, Africa saw the slowest vaccine introduction of any continent. As of April 21, African nations, with a total population of 1.3 billion, had received more than 36 million doses of vaccine, but administered only about 15 million, according to the African Centers for Disease Control and Prevention.

What You Need To Know About The Johnson & Johnson Vaccine Break In The United States

    • On April 23, an advisory panel to the Centers for Disease Control and Prevention voted to lift a hiatus on Johnson & Johnson Covid vaccine and put a label on an extremely rare but potentially dangerous bleeding disorder.
    • Federal health officials are expected to officially recommend states lift the hiatus.
    • The vaccine was recently discontinued after reports of a rare bleeding disorder surfaced in six women who received the vaccine.
    • The overall risk of developing the disorder is extremely small. Women between the ages of 30 and 39 appear to be most at risk, with 11.8 cases per million doses. There were seven cases per million doses in women between 18 and 49 years of age.
    • Almost eight million doses of the vaccine have now been given. There was less than one case per million doses in men and women aged 50 and over.
    • Johnson & Johnson had also decided to postpone the launch of its vaccine in Europe for similar reasons, but later decided to continue its campaign after the European Union Medicines Agency announced the addition of a warning. South Africa, devastated by a contagious variant of the virus, also stopped using the vaccine, but later continued to use it.

Only six million doses were administered in all of sub-Saharan Africa – fewer than many individual US states. The prospect of a reduction in supply complicates the already enormous logistical challenge for many African nations.

Many African governments prioritized giving initial doses to more of their populations in the expectation that more doses would arrive soon. Now they are struggling with what to do when there aren’t enough vaccines to get the full two-dose regimen that provides maximum prevention.

Countries like Rwanda and Ghana, which were among the first to receive doses of Covax, are about to run out of initial supplies. In Botswana, vaccinations were temporarily suspended in some areas this month after the allotted doses ended. And Kenya, which is nearing its initial 1 million dose, said this week it would try to acquire vaccines from Johnson & Johnson and Pfizer to continue its vaccination campaign. On Saturday, due to delays, the country extended the time between first and second dose administration from eight to 12 weeks.

Overall, the 10 African countries that have had the most vaccinations have gone through more than two-thirds of their deliveries, said Dr. Matshidiso Moeti, World Health Organization Regional Director for Africa.

The African Union Vaccination Group has secured funding to purchase up to 400 million Johnson & Johnson vaccines for member states – but those doses will not arrive until the fall.

“More than a billion Africans are on the verge of this historic march to end this pandemic,” said Dr. Moeti.

A spokesman for Gavi, who heads the Covax program, said in an email that it was in close contact with the Indian government about resuming vaccine shipments, but that “we cannot confirm the timing of the next shipments at this stage . “

Even if the United States is betting on tens of millions of doses of the AstraZeneca vaccine – the most affordable vaccine that is widely available – African nations are turning to Russia and China for doses in those countries, despite concerns about a lack of clinical data on its effectiveness pass and security.

Amid the delays, some African countries are facing new and potentially more deadly waves of the pandemic. The African Centers for Disease Control and Prevention reported 2,155 deaths from the virus in the past week, up from 1,866 the week before.

In Nairobi, the capital of Kenya and home to one of the better health systems on the continent, officials have warned of a lack of intensive care beds and oxygen supplies. Last month, the Kenyan government ordered a new lockdown, which has fueled anger over the economic impact of the restrictions.

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The F.D.A. ended its advisable pause on the J.&J. vaccine, clearing the best way for states to make use of it once more.

She said the CDC spoke to health care providers for young women, including the American College of Obstetricians and Gynecologists. The hiatus and investigation into the rare disorder, she added, should give the public confidence in the vaccine safety monitoring system.

Almost 8 million doses of the Johnson & Johnson vaccine have now been given. There was less than one case per million doses in men and women aged 50 and over.

About 10 million doses or more of the Johnson & Johnson vaccine, made at the company’s factory in the Netherlands, are on shelves in the United States and could be used immediately. Several states, including Texas, Alabama, Utah, and Wisconsin, said they would likely follow the CDC and FDA recommendations once the decision was made.

Dr. Walensky said she had heard from the governors a keen interest in resuming the use of the shot.

“They were wondering why we were on pause and they were eager to have this back, to have an opportunity for a single-dose vaccine, for a once-in-a-lifetime opportunity,” she said.

The vaccine has immense potential benefits. If vaccinations are restarted for all adults, 26 to 45 cases of the bleeding disorder are expected in the next six months. This is based on a model developed by CDC scientist Dr. Sara Oliver presented at the meeting on Friday. However, 600 to 1,400 fewer Covid-19-related deaths would be expected over the same period.

The vaccine, which is easy to store and only requires one shot, is also great for hard-to-reach populations, including people who are at home, homeless, or incarcerated.

Other potential cases of the coagulation disorder, including some in men, are currently being investigated. Dr. Shimabukuro also mentioned a case that developed in a 25-year-old man who was taking part in a clinical trial of the vaccine.

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CDC recommends pregnant ladies get Covid vaccine after examine reveals it is secure

A health worker doses the Pfizer-BioNtech COVID-19 coronavirus vaccine to a pregnant woman on January 23, 2021 at Clalit Health Services in the Israeli Mediterranean coastal city of Tel Aviv.

Jack Guez | AFP | Getty Images

The Centers for Disease Control and Prevention recommend Covid-19 shots for pregnant women after preliminary data from the largest study of coronavirus vaccine use in expectant mothers showed that Pfizer and Moderna shocks were effective for both women and men are safe for their babies.

The researchers did not find “obvious safety signals” in any of the 35,691 women followed in the peer-reviewed study published Wednesday by the New England Journal of Medicine. The data used in the study were self-reported and the ages of the participants ranged from 16 to 54 years.

“No safety concerns for third trimester vaccinees or safety concerns for their babies were observed,” said CDC Director Dr. Rochelle Walensky on Friday. “Therefore, CDC recommends pregnant people to receive Covid-19 vaccines.”

Researchers used the V-Safe Post-Vaccination Health Checker monitoring system, the V-Safe Pregnancy Register, and the Vaccine Adverse Event Reporting System to characterize the initial safety of mRNA Covid-19 vaccines in pregnant women.

Pregnant women were more likely to report injection site pain than those who weren’t, but fewer other side effects such as headache, myalgia, chills, and fever. Of the 827 participants who completed their pregnancies, the miscarriage rates were the same as before the pandemic.

The results are preliminary and only cover the first 11 weeks of the US vaccine rollout from December 14th to February 28th.

Pregnant women are more likely to be hospitalized and have a higher risk of death if they become infected with Covid-19. According to CDC data, vaccination is particularly important for this population group. Pharmaceutical companies have not included pregnant women in early efficacy and safety studies, but recent studies suggest that the vaccines are safe for them.

The researchers said “more longitudinal research, including tracking large numbers of women who were vaccinated earlier in pregnancy, is needed to inform mother, pregnancy and child results.”

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J.&.J. Vaccine Will Be Out there Once more Quickly

Until a few hours before the break was recommended by American officials, regulators had planned a revision of the FDA’s emergency approval, similar to the one formalized on Friday, with warnings about the blood clots.

However, in a meeting on April 12, senior health officials decided that the government should take a break while federal agencies and the CDC panel of experts investigated a possible link between the blood clots and the vaccine. They feared a number of cases of the disorder had not been identified and wanted to give those who had just received the vaccine more time to get to the point where infrequent clotting typically occurs.

“As we have done this intense scientific evaluation over the past few days, I think we have become more and more confident about the decision that was made today,” said Dr Janet Woodcock, acting FDA commissioner, on Friday.

In the CDC panel analysis, women between 30 and 39 appear to be at greatest risk with 11.8 cases per million doses. In women between 18 and 49 there were seven cases per million doses. The condition the CDC calls thrombosis with thrombocytopenic syndrome causes severe blood clots and a tendency to bleed due to abnormally low levels of platelets, a component of blood that is involved in clotting.

The disorder is “rare but clinically severe,” said Dr. Tom Shimabukuro, Assistant Director of the CDC Vaccination Safety Office, at the meeting.

Other potential cases, including some in men, are currently being investigated. There was also a case in a 25-year-old man who was in a clinical trial of the vaccine.

Patients’ symptoms closely resemble a rare syndrome that can be caused by heparin, a widely used blood thinner, said Dr. Michael Streiff, a hematologist at Johns Hopkins University, joined the panel. Heparin, which is normally used to treat blood clots, shouldn’t be given to these patients, he said.

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Individuals who get Covid between vaccine pictures can get second dose after restoration

The director of the National Institute for Allergies and Infectious Diseases, Dr. Anthony Fauci, speaks to reporters in the Brady Press Briefing Room at the White House in Washington, DC on April 13, 2021.

Chip Somodevilla | Getty Images

People who contract the coronavirus between Covid-19 vaccinations can get their second dose after recovering from the disease and are no longer considered contagious, White House chief medical officer Dr. Anthony Fauci, on Thursday.

Pfizer and Moderna’s Covid vaccines require two doses three to four weeks apart. Both vaccines are about 95% effective against the virus, but that strong protection doesn’t kick in until two weeks after the second dose, officials say.

Some people have reported that Covid was diagnosed after the first vaccine shot and before the second vaccine. In that case, Fauci said, they can get their second dose after they recover from the disease and meet the isolation criteria.

According to the Centers for Disease Control and Prevention, people who have had Covid-19 may be around others after at least 10 days, 24 hours without a fever, and when other symptoms, if any, improve.

Fauci also noted that a small percentage of fully vaccinated people will continue to develop Covid-19 – so-called “breakthrough cases”. CDC director Dr. Rochelle Walensky said Monday that U.S. health officials had confirmed fewer than 6,000 cases of Covid-19 from 84 million Americans with full protection against the virus.

Fauci said officials do not yet understand the risk of developing persistent symptoms, also known as “long covid,” after a breakthrough post-vaccination.

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White Home to make use of celebrities, athletes in advert marketing campaign to fight Covid vaccine hesitancy

In this screenshot Eva Longoria speaks at the 26th Annual Critics Choice Awards on March 07, 2021.

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The Biden government is launching a massive campaign Thursday to convince more Americans to take the Covid-19 vaccines, government officials told NBC News.

The campaign, titled “We Can Do This: Live,” targets young people through social media and includes virtual events where celebrities and athletes answer Americans’ questions about the vaccines, according to NBC News.

Famous people to take part in the campaign include actress Eva Longoria, Billionaire owner Mark Cuban of Dallas Mavericks, Kelly Ripa and Ryan Seacrest, co-hosts of “Live with Kelly and Ryan,” and people from NASCAR , the NBA and WNBA, according to NBC News.

According to a detailed publication of the campaign received from NBC News, the goal is to reach Americans, especially young people, “right in the places where they already consume content online, including social media, podcasts, YouTube and more”.

The government’s efforts come because polls suggest a significant proportion of Americans are likely to refuse to fire the shots, potentially stifling the nation’s recovery from the pandemic that killed at least 569,405 Americans in just over a year.

Some young people appear to be resistant to vaccinations. A recent survey by STAT News-Harris found that 21% of Generation Z or young adults ages 18 to 24 said they wouldn’t get the Covid vaccine and another 34% said they would “wait a while.” and see “before being vaccinated.

In addition, some doctors said some of their patients had become skeptical of the vaccines after the Centers for Disease Control and Prevention and the Food and Drug Administration asked states last week to stop distributing Johnson & Johnson’s vaccine after six rare ones , but potentially to temporarily discontinue cases. Fatal bleeding disorders have been reported.

Many of former President Donald Trump’s supporters are also strongly against taking the vaccine, say public health and policy experts, which worries U.S. health officials who hope enough people will be vaccinated for the country to receive herd immunity to the virus .

The Chief Medical Officer of the White House, Dr. Anthony Fauci previously said 75% to 85% of the US population would need to be vaccinated to create an “umbrella” of immunity that will prevent the virus from spreading.

Vaccine supplies are already exceeding demand in some regions of the US as local health authorities struggle to get people to vaccinate.

As of Wednesday, more than 134 million Americans, or 40% of the total US population, had received at least one dose of a Covid-19 vaccine, according to the CDC. Around 87.5 million Americans, or 26.4% of the total US population, are fully vaccinated, according to the CDC.

According to the CDC, the United States reported an average of 3 million shots per day over the past week, a slight decrease from 3.4 million reported shots per day on April 13.

Fauci said Monday that there would be a “court press” to get people vaccinated.

“It is very worrying that people are politically unwilling to be vaccinated,” Fauci said Monday on CBS This Morning. “I find this really extraordinary because they say you are encroaching on our freedoms by asking us to wear masks and doing restrictions that affect public health problems. The easiest way to overcome this is to yourself get vaccinated. “

–CNBCs Nate Rattner and Rich Mendez contributed to this report.

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EU prepares authorized motion in opposition to AstraZeneca over vaccine supply points

President of the EU Commission Ursula von der Leyen

Thierry Monasse | Getty Images News | Getty Images

LONDON – The European Union is preparing legal action against AstraZeneca for insufficient supply of its coronavirus vaccine, according to four people familiar with the matter.

The EU and the pharmaceutical company were at odds several times this year. Anglo-Swedish company AstraZeneca said it couldn’t deliver as many vaccines as the block expects in both the first and second quarters. This has delayed the rollout of Covid-19 vaccines in the 27 EU countries.

The European Commission, the EU’s executive branch, told the 27 European ambassadors at a meeting on Wednesday that they were considering legal action against AstraZeneca over these delivery issues, four EU officials who said they refused to be named due to the sensitivity of the issue CNBC Thursday. Politico first reported on the Commission’s plan late Wednesday.

“The commission wants to act quickly. It’s a matter of days,” one of the officials told CNBC over the phone, adding that the ambassadors had given “great support” to the legal process.

The same official stated that “few legal issues” were considered before the trial proceeded.

A second official said the Commission is taking this step to ensure that upcoming deliveries are as expected.

When a European Commission spokesman was contacted by CNBC on Thursday, he said: “It is critical that we ensure the delivery of a sufficient number of cans in line with the company’s previous commitments.”

“Together with the member states, we are examining all possibilities to achieve this,” said the same spokesman, without confirming or denying that legal action has been considered.

In March, the President of the European Commission, Ursula von der Leyen, expressed her disappointment with AstraZeneca during a press conference and said: “Unfortunately, AstraZeneca has produced too little and delivered too little. And of course this has painfully slowed the vaccination campaign. “

At the time, von der Leyen said the block was expecting 70 million cans from the company in the second quarter, compared to an originally expected 180 million.

Pascal Soriot, CEO of AstraZeneca, told EU lawmakers in February that low yields in EU manufacturing facilities were causing the delays.

A medical worker holds a vial containing the AstraZeneca COVID-19 vaccine at a vaccination center in Ronquieres, Belgium, on April 6, 2021.

Yves Herman | Reuters

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Scientist who helped develop Pfizer-BioNTech Covid vaccine agrees third shot is required as immunity wanes

BioNTech’s chief medical officer told CNBC on Wednesday that people will likely need a third shot of its two-dose Covid-19 vaccine to lower immunity to the virus. This is in line with previous comments from Pfizer CEO Albert Bourla.

Dr. Ozlem Tureci, co-founder and CMO of BioNTech, who developed a Covid vaccine together with Pfizer, also assumes that people need to be vaccinated against the coronavirus every year, for example against seasonal flu. That’s because scientists expect vaccine-induced immunity to the virus to decline over time.

“We see evidence of this in the induced, but also natural, immune response against SARS-COV-2,” she said during an interview with Kelly Evans of CNBC in “The Exchange”. “We see this decrease in immune responses also in people who have just been infected and therefore [it’s] also expected with the vaccines. “

Tureci’s comments come after Pfizer CEO Albert Bourla said in an interview broadcast on April 15 that people will likely need a booster shot or third dose of the Covid-19 vaccine within 12 months of being fully vaccinated. He also said that there is a possibility that people will have to take extra shots every year.

Pfizer said earlier this month that its Covid-19 vaccine was more than 91% effective against the virus and more than 95% effective against serious illness up to six months after the second dose. Moderna’s vaccine, which uses technology similar to Pfizer, has also been shown to remain highly effective after six months.

The researchers say they still don’t know how long protection against the virus will last after six months of full vaccination, although public health officials and health experts believe that protection will wear off after some time.

Should Americans need booster vaccinations, the US government would likely need to reach agreements with drug manufacturers to provide additional doses and make plans to distribute vaccines.

On Friday Andy Slavitt, senior advisor to President Joe Biden’s Covid Response Team, said the Biden administration was preparing for the potential need for Covid-19 vaccine booster shots. He said the government was considering the need to secure additional doses.

“I can assure you that as we plan, if the President orders the purchase of additional vaccines, as he has, and if we focus on all of the production expansion opportunities that we are talking about, we have a great many such scenarios in mind have. “he said.

Last week, David Kessler, chief science officer for the Biden government at Covid, said Americans should expect to receive booster vaccinations to protect against coronavirus variants. He told US lawmakers that currently approved vaccines offer high levels of protection, but that new variants may “question” the effectiveness of the shots.

“We don’t know everything right now,” he told the House Select subcommittee on the coronavirus crisis.

“We are investigating the durability of the antibody response,” he said. “It seems strong, but that’s wearing off a bit, and no doubt the variants are challenging … they make these vaccines work harder. So I think for planning purposes, planning purposes only, we should expect us to may have to. ” Boost. “

Stephane Bancel, CEO of Moderna, told CNBC last week that the company hopes to have a booster shot for its two-dose vaccine in the fall.

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Congressional investigation launched into Emergent BioSolutions’ federal vaccine contracts

Top House Democrats have launched an investigation into whether Emergent Biosolutions, which recently botched 15 million doses of Covid-19 vaccine, won the federal contract for inclusion because of its cozy relationship with a former top Trump government official.

New York Rep. Carolyn B. Maloney, Chair of the House Committee on Oversight and Reform, and James E. Clyburn of South Carolina, Chair of the Select Subcommittee on Coronavirus Crisis, sent a joint letter to Emergent Solutions CEO Robert G. Kramer and board chairman Fuad El-Hibri demand that they testify before the coronavirus subcommittee.

“In particular, we are investigating reports that Emergent has won multi-million dollar contracts to manufacture coronavirus vaccines, despite a long, documented history of inadequately trained personnel and quality control issues,” the legislature wrote.

The committees deal specifically with the role that Dr. Robert Kadlec, former Emergent Advisor and Trump’s Assistant Secretary for Preparedness and Response, has played in helping the company get the job done. They asked the company to hand over a number of documents, including all federal contracts since 2015, all communications with Kadlec, as well as information on audits and inspections of its facilities, drug pricing and executive compensation.

“Emergent received $ 628 million in June 2020 to set up the primary US vaccine manufacturing facility developed by Johnson & Johnson and AstraZeneca,” lawmakers wrote in a letter sent to Kramer and El-Hibri on Monday . Kadlec “appears to have pushed for this award, although there are indications that Emergent was unable to reliably perform the contract.”

According to the letter, an FDA inspection of the Baltimore plant in April 2020 revealed that Emergent did not have the personnel to manufacture a coronavirus vaccine. Another inspection in June revealed that Emergent’s plan to manufacture much-needed coronavirus vaccines was inadequate due to poorly trained staff and quality control issues.

Despite falling short on federal inspections, the Trump administration paid the company $ 628 million in June to manufacture coronavirus vaccines.

Reports later surfaced indicating quality control issues at Emergent’s Baltimore facility.

“During the manufacturing process, your company contaminated millions of doses of Johnson & Johnson’s one-shot coronavirus vaccine with ingredients from the AstraZeneca vaccine,” the legislature wrote.

Emergent was forced to destroy up to 15 million tainted doses of the Johnson & Johnson vaccine, and an additional 62 million doses remained pending until it was found not to have been mistaken by the York Times.

Emergent’s Baltimore facility has not been approved by the Food and Drug Administration, so none of the cans produced at the site were ever distributed or made it into the arms of the Americans.

“We are concerned about the cost to taxpayers and the potential impact on our country’s vaccination efforts from failed attempts by Emergent to manufacture these vaccines,” the legislature wrote.

Lawmakers also said they are considering Emergent’s role as the sole anthrax vaccine supplier on the Strategic National Stockpile.

“Emergent has increased the government purchase price for the anthrax vaccine by 800% since the drug was purchased in 1998. As a result, nearly half of the SNS budget has been spent on purchasing Emergent’s anthrax vaccine over the past decade,” so the representative wrote.

According to the letter, after Kadlec was confirmed in the Trump administration, Emergent received millions of dollars in federal contracts from his agency, including inventory contracts, “which were put out to tender”.

Emergent encouraged oversight of the inventory to be transferred from the Centers for Disease
Control and Prevention to the Deputy Secretary’s Office for Preparedness and Response under Kadlec’s control according to the letter.

Until 2015, Kadlec Emergent advised through his company RPK Consulting. Kadlec was confirmed as the head of the Office of the Ministry of Health and Human Services in 2017.

Kramer and El-Hibri were asked to testify before the subcommittee on May 19 at 10:30 am ET.

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Prime Biden Covid officers to debate vaccine rollout with Home after J&J pictures paused

Dr. Anthony Fauci, director of the National Institute for Allergies and Infectious Diseases (left), speaks to Dr. David Kessler, Chief Science Officer of the White House COVID-19 Response Team on the Federal Coronavirus Response on Capitol Hill March 18, 2021 in Washington, DC.

Susan Walsh | Getty Images

The House’s coronavirus subcommittee will hear from three leading health officials in the Biden government on Thursday about United States efforts to step up vaccinations as Covid cases, including those of dangerous variants, are on the rise.

The hearing, which will also focus on the continued need for people to wear masks and follow social distancing measures, is slated to begin at 10:30 a.m. ET. It is streamed live.

The event comes two days after dozens of states abruptly stopped administering Johnson & Johnson’s single-dose Covid vaccine in response to the Food and Drug Administration’s recommendation to suspend those recordings while investigating cases of women, who have developed a rare bleeding disorder.

Some fear the recommendation, issued in response to six reported blood clot cases from nearly 7 million J&J doses administered, could hamper the global campaign to vaccinate the world against the pandemic.

The selected subcommittee on the coronavirus crisis, led by James Clyburn, DS.C., is led by Dr. Anthony Fauci, the country’s foremost infectious disease expert, and the director of the Center for Disease Control and Prevention Dr. Rochelle Walensky. David Kessler, a senior Covid official in President Joe Biden’s Department of Health and Human Services, is also on the witness list.

Dr. Rochelle Walensky, director of Centers for Disease Control and Prevention, listens to the response from Covid-19, DC during a hearing with the Senate Committee on Health, Education, Labor and Pensions on March 18, 2021 in Washington on Capitol Hill, DC .

Anna Moneymaker | Getty Images

While the US is vaccinating more people than ever before, Covid cases are increasing in more than half of its states. According to the Johns Hopkins University, an average of more than 71,000 cases per day were counted for the past week.

“It’s almost a race between vaccinating people and this surge that is apparently about to increase,” Fauci told CNN on Wednesday.

The emergence of variants of Covid – like B 1.1.7, which recently flooded Michigan and is now the most common strain in the US – has led health officials to urge Americans to continue to take precautionary measures despite accelerated vaccination efforts.

Experts say Johnson & Johnson’s recent vaccination problems could fuel skepticism about vaccines.

In their quest to have all eligible individuals in the U.S. vaccinated against Covid, officials have stressed that all of the options available – from Pfizer-BioNTech, Moderna, and Johnson & Johnson – are safe and effective. All three have been approved by the FDA for emergency use. Pfizer and Moderna vaccines require two separate doses given three to four weeks apart.

But the six cases of women who developed the rare blood clots urged the FDA to stop J & J’s shot “out of caution.”

All women developed the disease within about two weeks of being vaccinated, health officials told reporters Tuesday. One of the women died.

“I think it will affect the hesitation, period. Whether it should or not is a different matter,” said Dr. Jeffrey Kahn, director of the Berman Institute of Bioethics at Johns Hopkins University, told CNBC.

With Johnson & Johnson’s vaccine only containing one dose, experts say the hiatus could also reduce vaccine access for some communities.

“This vaccine was biased to be used in harsher environments, places where you couldn’t deliver two doses. You wanted to deliver one dose and stick to the vaccination schedule,” said Dr. Scott Gottlieb, who sits on the Pfizer board of directors at CNBC on Tuesday.

– The Associated Press contributed to this report.

Disclosure: Scott Gottlieb is a CNBC employee and a member of the boards of directors of Pfizer, genetic testing startup Tempus, health technology company Aetion Inc., and biotech company Illumina. He is also co-chair of Norwegian Cruise Line Holdings and Royal Caribbean’s Healthy Sail Panel.