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Covid-19 omicron pictures out there, however their effectiveness is unclear

Covid-19 omicron shots available, but their effectiveness is unclear

The US this week approved the first major revision of Covid-19 vaccines in a bid to stem an expected spate of infections and hospitalizations this fall.

However, it is unclear how much protection the new booster shots will offer. The Food and Drug Administration and the Centers for Disease Control and Prevention have cleared the footage without data from clinical trials testing the newly formulated doses in humans.

The new boosters, approved for people 12 and older, target the highly contagious and immune-avoidable subvariant omicron BA.5, which sparked a surge in breakthrough infections over the summer. The shots also targeted the original strain of the virus, which first emerged in Wuhan, China, in 2019.

The country’s top health authorities acted urgently this summer to ensure the new boosters are rolled out in time for the fall. They are concerned that the declining effectiveness of legacy vaccines creates an opportunity for omicron to trigger another wave of hospitalizations this winter as people spend more time indoors, where the airborne virus spreads more easily.

According to CDC epidemiologist Heather Scobie, deaths and hospitalizations among the elderly, the most commonly vaccinated age group in America, have risen since April as Omicron continues to mutate into more transmissible subvariants that evade the protection of the original vaccines.

dr Peter Marks, who heads the FDA’s office that reviews vaccines, said the new boosters aim to restore the high level of protection vaccines showed in early 2021. However, Marks acknowledged that federal government experts just don’t know yet whether the boosters will meet the high bar that these doses set.

“We don’t yet know exactly if we’ll reach the same level, but that’s the goal here. And we think the evidence we’ve seen suggests that,” Marks told reporters during a news conference following the FDA approval Wednesday.

The FDA will be monitoring to see if the boosters are meeting that goal, Marks said. When Pfizer and Moderna’s syringes were approved in December 2020, they offered more than 90 percent protection in preventing Covid.

Marks told reporters it will likely be at least a few more months before human data on the BA.5 boosters is available to the public. But he said the FDA used essentially the same process to authorize the new boosters it’s relied on for years to switch virus strains in flu shots.

“We’re pretty confident that what we have is very similar to the situation that we’ve done in the past with influenza mutations where we’re not conducting clinical trials for them in the United States,” Marks said. “We know from how the vaccine works and from the data we have that we can predict how well the vaccine will work.”

The new boosters could prevent 2.4 million infections, 137,000 hospitalizations and 9,700 deaths if no new variant emerges, according to a forecast by a team of scientists predicting the course of the pandemic, called the Covid-19 Scenario Modeling Hub.

However, according to the scientists, this forecast is based on optimistic assumptions about the coverage and effectiveness of boosters. The model assumes that vaccines will prove 80% effective in preventing disease and the public will largely embrace the new boosters. There is no efficacy data on the new shots and it is unclear how strong the public demand for them will be.

The CDC estimates that an early fall immunization campaign with booster shots could save the United States between $63 billion and $109 billion in medical costs by preventing hospitalizations and ICU admissions.

Pfizer and Moderna originally developed new boosters to target the first version of Omicron, BA.1, which caused the massive wave of infections and hospitalizations last winter. But keeping up with the rapid evolution of the virus has proven to be a challenge.

By the time the country’s top health leaders began providing new boosters in earnest in April, more transmissible subvariants had already pushed omicron BA.1 out of circulation. In June, the FDA urged vaccine makers to shift gears and target Omicron BA.5 after it rose to dominance.

That decision didn’t leave Pfizer and Moderna enough time to complete human clinical trials of the new boosters before a fall launch of the vaccine.

As a result, the FDA and CDC rely on human data from the clinical trials of the BA.1 syringes to understand how the BA.5 boosters might work. They also relied on data from studies testing the BA.5 boosters in mice.

The CDC’s Independent Advisory Committee supported the shooting Thursday in an overwhelming vote.

However, some members of the panel also had concerns about the lack of human data.

“I’m really struggling with a vaccine that doesn’t have clinical data that’s reported for people, for those who would actually get the vaccine,” said Dr. Oliver Brooks, a committee member and chief medical officer at Watts HealthCare Corp. in Los Engel.

dr Pablo Sanchez, the only member of the CDC committee who voted against the injections, called the decision to recommend the new boosters without human data premature.

“There’s already a lot of hesitation with vaccines — we need the human data,” said Sanchez, a professor of pediatrics at Ohio State University.

dr Doran Fink, deputy chief of the FDA’s Division of Vaccine Review, told the hesitant committee members that the new booster shots use the exact same manufacturing process as the old vaccines and contain the same total amount of mRNA, the code that instructs human cells to produce the proteins that evoke an immune response to fight off Covid.

Fink said the BA.1 and the BA.5 recordings are similar enough to use data from the BA.1 human trials to get a good idea of ​​how the new BA.5 boosters work will work.

Pfizer and Moderna presented data at the CDC meeting showing that the BA.1 vaccines elicited a stronger immune response in humans than the old vaccines. The mouse studies by both companies on the BA.5 syringes also showed a stronger immune response.

CDC Director Dr. Rochelle Walensky said last week that a longer wait for human data from the BA.5 shots could mean the boosters are out of date by the time a new variant emerges.

“It’s always about too slow versus too fast,” Walensky told Conversations on Health Care in a radio interview. “One of the challenges is when we wait for that data to show up in human data… we’re going to be using what I think might be an outdated vaccine.”

Moderna completed recruitment for its clinical trials last week and expects results by the end of the year. Pfizer’s clinical trials are ongoing, although the company hasn’t given a timeline for when it will have data.

Brooks questioned why the FDA chose a BA.5 vaccine when clinical data is available for the BA.1 vaccines that vaccine manufacturers originally developed. Canada and the UK have approved new booster shots targeting omicron BA.1

Fink said the US approved BA.5 based on advice from the FDA’s independent committee, data from South Africa indicating that natural infection by the subvariant provides broader protection than infection by BA.1, and the fact that BA.5 is dominant.

Although committee members were somewhat reluctant to proceed without the human data, they agreed that the new boosters should have a similar safety profile to the old vaccines, as they use the same platform. The Covid vaccines have been given to millions of people in the US with mostly mild side effects.

According to the FDA, the most common side effects from the human trials of BA.1 syringes were pain, redness, swelling at the injection site, fatigue, headache, muscle pain, joint pain, chills, nausea, vomiting, and fever.

dr Sara Oliver, a CDC official, told the committee that the risk of myocarditis, an inflammation of the heart muscle, after a BA.5 booster is unknown. However, health authorities believe it will be similar to the risk seen with the old vaccines.

The Pfizer and Moderna vaccines have been associated with an increased risk of myocarditis in young men and adolescent boys, mainly after the second dose. However, according to the CDC, the risk of myocarditis is higher from Covid infection than from vaccination.

dr Grace Lee, the chair of the CDC committee, tried to reassure the public that there is a robust monitoring system to monitor safety and that the panel will meet again if new concerns arise.

“I just want to make sure members of the public know we’re continuing to monitor closely,” Lee said. “We have systems and teams that continue to monitor and meet.”

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Politics

U.S. relationship with Taliban unclear after finish of warfare

U.S. relationship with Taliban unclear after end of war

Secretary of Defense Lloyd Austin and Chairman of the Joint Chiefs of Staff Gen. Mark Milley attend a news conference at the Pentagon on July 21, 2021 in Arlington, Virginia.

Alex Wong | Getty Images News | Getty Images

WASHINGTON – Defense Secretary Lloyd Austin said Wednesday it was not yet clear what kind of relationship the Pentagon would have with the Taliban in Afghanistan after Western forces fought the militant Islamist group for 20 years.

“It’s hard to predict where this will go in the future with regard to the Taliban,” Austin told reporters at the Pentagon when asked about the next steps following the full withdrawal of the US military from the country on Monday.

“We don’t know what the future of the Taliban looks like,” said General Mark Milley, chairman of the US Army General Staff.

“I can tell you from personal experience that this is a ruthless group from the past and whether it changes or not,” Milley said, adding that he and Austin both fought the group during their military careers.

Taliban troops patrol near the entrance gate of Hamid Karzai International Airport one day after the withdrawal of US troops in Kabul, Afghanistan, on August 31, 2021.

Stringer | Reuters

“And as for our dealings with them at this airfield or for the last year or so in the war, do what you have to do to reduce the risk to the Mission and the armed forces, not what you absolutely want to do,” said Milley on the question of the coordination between the US and the Taliban in the last few days of a huge humanitarian evacuation mission.

The US coordinated with the Taliban during the final days of the war to ensure safe passage for US citizens and Afghan nationals to Hamid Karzai International Airport in Kabul for evacuation. However, there were reports that, contrary to their public statements, the Islamist militants prevented some Afghans from reaching the airport.

When asked at the State Department whether the US would recognize the Taliban as a legitimate government, State Secretary for Political Affairs Victoria Nuland said it was premature to say so.

“Our relationship with the Taliban is guided by what they do, not what they say,” Nuland began. “But there are some pressing questions, like the humanitarian situation of the people in Afghanistan. So let’s look at things like that, ”she added.

“But we haven’t made any decisions about the rest and we certainly won’t unless we see the expected behaviors,” said Nuland.

Taliban fighters patrolled the streets of Kabul in a vehicle on August 23, 2021, while the Taliban imposed a sense of calm in the capital in a city marked by violent crime by patrolling the streets and manning checkpoints.

Deputy Kohsar | AFP | Getty Images

Statements from the highest levels of Defense and State Department come a day after President Joe Biden defiantly defended his decision to withdraw US forces from Afghanistan.

“When I ran for president, I made a commitment to end this war, and today I kept that commitment. It was time to be honest with the American people; we no longer had a clear goal in an indefinite mission. “In Afghanistan,” said Biden from the White House on Tuesday.

“This decision on Afghanistan is not just about Afghanistan, it is about ending an era of major military operations to transform other countries,” added the president.

With its troops gone, the US must rely on diplomatic engagement with the Taliban to ensure that the remaining Americans and Afghans working for the US can safely leave Afghanistan

Biden said in his address on Tuesday that “90% of Americans in Afghanistan who wanted to leave could leave.” According to the State Department, fewer than 200 Americans remain in the country.

The president said the US would hold the Taliban responsible for guaranteeing safe passage to anyone who still wants to get out of Afghanistan.

The US and NATO launched their military campaign in Afghanistan in October 2001, weeks after the September 11, 2001 attacks. The Taliban then offered refuge to al-Qaeda, the terrorist group that planned and carried out the devastating attacks on the World Trade Center and the Pentagon.

Around 2,500 US soldiers were killed in the conflict, which also killed more than 100,000 Afghan soldiers, police officers and civilians. The wars in Afghanistan, Iraq and Syria have cost US taxpayers more than $ 1.57 trillion since September 11, 2001, according to a Department of Defense report.

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Health

Virus Origins Stay Unclear in W.H.O.-China Inquiry

Virus Origins Remain Unclear in W.H.O.-China Inquiry

For 27 days they searched for clues in Wuhan, visited hospitals, live animal markets and government laboratories, conducted interviews and pushed Chinese officials for data, but an international team of experts left the country far from understanding the origins of the coronavirus pandemic worldwide 2.8 million people killed.

The 124-page report of a joint World Health Organization-China investigation, due to be officially released on Tuesday and released to the media on Monday, contains a plethora of new details but no profound new evidence. And it does little to allay Western concerns about the role of the Chinese Communist Party, which is known to be resistant to outside control and has at times tried to prevent an investigation by the WHO. The report is also not clear whether China will allow outside experts to dig further.

“The investigation is in danger of getting nowhere and we may never find the true source of the virus,” said Yanzhong Huang, senior fellow on global health with the Council on Foreign Relations.

The report, the advance copy of which was obtained from the New York Times, said China still lacks the data or research to indicate how or when the virus began to spread. Some outside of the country skeptics say China may have more information than it admits.

The team of experts also dismissed the possibility that the virus accidentally emerged from a Chinese laboratory as “extremely unlikely,” although some scientists say this is an important question that needs to be investigated.

The Chinese government has tried to provide some level of access and cooperation, but has repeatedly tried to bend the investigation to its advantage. The report was co-authored by a WHO-selected team of 17 scientists from around the world and 17 Chinese scientists, many of whom hold official positions or work in government-run institutions, which has given Beijing great influence on its conclusions.

Jesse Bloom, an evolutionary biologist at the Fred Hutchinson Cancer Research Center in Seattle, said he was not convinced that a laboratory leak was extremely unlikely after seeing a copy of the report. He said he agreed that it was highly plausible that the virus would naturally have evolved to spread to humans, but he saw no reason in the report to rule out the possibility of a laboratory escape.

A member of the expert team, Peter Daszak, a British disease ecologist who heads the EcoHealth Alliance, a New York-based pandemic prevention group, backed down against criticism of the team’s work and collaboration in China. He said the laboratory leak hypothesis was “political from the start”. Dr. Daszak added that the WHO team was not constrained in its interviews with scientists who were on-site at the beginning of the pandemic.

He himself has been accused of having a conflict of interest for doing a past research on coronavirus with the Wuhan Institute of Virology, what a disease ecologist should do.

“We were in the right place because we knew there was a risk of the virus occurring,” said Dr. Daszak. “We worked with that same viral group there and it happened.”

Updated

March 29, 2021, 2:06 p.m. ET

The prevailing theory remains that the virus came from bats, jumped to another animal, and then mutated in a way that allowed it to be transmitted to humans and from person to person. However, the process of tracing the origins of a virus is notoriously tedious.

To answer many of the remaining questions, the report recommends further retrospective studies of infections in humans, including the earliest cases, as well as further virus testing in farm animals and wildlife in China and Southeast Asia. It also calls for more detailed tracking of routes from farms to markets in Wuhan, which would require extensive interviews and blood tests for farmers, vendors and other workers.

It is unclear how much China will cooperate, however, and the country’s secretive and defensive behavior has helped fuel theories that were somehow responsible for starting the pandemic. Local officials in Wuhan first tried to hide the outbreak; Beijing has since expelled many Western journalists and put forward evidence-free theories about the virus originating elsewhere – although the earliest known cases were all in China and experts believe it almost certainly showed up there first.

“We have real concerns about the methodology and process that went into this report, including the fact that the Beijing government appears to have helped write it,” Foreign Secretary Antony J. Blinken said in a CNN interview that aired on Sunday.

China’s increasingly keen ties with the United States and other countries have also made investigation difficult. The Biden government has repeatedly criticized China’s lack of transparency, including its refusal to provide raw data on early Covid-19 cases to investigators during their visit to Wuhan. Chinese officials have resisted suggesting that the United States should welcome WHO to investigate the unsubstantiated theory that the virus may have originated in a US Army laboratory.

“We will never accept the baseless allegations and wanton denigration of the United States regarding the epidemic,” said Zhao Lijian, a spokesman for the Chinese Foreign Ministry, at a regular press conference in Beijing on Monday.

In bombastic news articles, Chinese propagandists have hailed the investigation as a sign of China’s openness to the world and as a justification for the government’s handling of the epidemic.

WHO has come under pressure to request more data and research from the Chinese government. However, the global health authority is inherently obliged to its member countries, which have not given the WHO team extensive powers to conduct forensic investigations into laboratory accidents in China, for example.

While much of the report was in-depth about molecular studies, virus development, and possible animal hosts, the section on the possibility of a laboratory leak was sketchy at best. While the animal origin of the virus is largely undisputed, some scientists claim that the virus could be collected and present in the laboratory of the Wuhan Institute of Virology, although Chinese scientists do not claim it is.

China’s lack of transparency and other concerns prompted a small group of non-WHO scientists to call for a new investigation into the origin of the pandemic this month. They said such an investigation should consider the possibility that the virus escaped from or infected someone in a laboratory in Wuhan.

The laboratory leak theory was promoted by a number of Trump administration officials, including Dr. Robert Redfield, the former director of the Centers for Disease Control and Prevention, endorsed it in comments on CNN last week. He offered no evidence and insisted that it was his opinion; The theory has been largely rejected by scientists and US intelligence officials.

Matt Apuzzo and Apoorva Mandavilli contributed to the coverage. Albee Zhang contributed to the research.

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Politics

Unemployment Help Set to Lapse Saturday as Trump’s Plans for Aid Invoice Stay Unclear

Unemployment Aid Set to Lapse Saturday as Trump’s Plans for Relief Bill Remain Unclear

“Why shouldn’t politicians want to give people $ 2,000, just $ 600?” he said on Twitter, possibly referring to his own party’s move on Thursday to block a House Democratic bill that would have increased the amount of direct payments to $ 2,000. “It wasn’t their fault, it was China. Give the money to our people! “

Updated

Apr. 25, 2020, 7:16 am ET

Mr Trump was largely uninvolved in the legislative negotiations, but Treasury Secretary Steven Mnuchin is believed to have negotiated on behalf of the President.

The aid bill also includes billions of dollars to help states distribute coronavirus vaccines, a replenished small business loan program, and airline aid. It was passed along with a spending measure to keep government funding going for the remainder of the fiscal year. The cost of the combined package is $ 2.3 trillion.

Treasury officials had expected the president to sign the bill this week and planned to overhaul the Christmas break to restart the small business paycheck protection program and push payments through direct deposit through early next week. However, all of this is now suspended.

The second stimulus

Answers to your questions about the stimulus calculation

Updated December 23, 2020

Legislators agreed to a plan to provide $ 600 stimulus payments and distribute $ 300 federal unemployment benefits for 11 weeks. Here you can find out more about the bill and what’s in it for you.

    • Do I get another incentive payment? Individual adults with adjusted gross income on their 2019 tax returns of up to $ 75,000 per year would receive a payment of $ 600, and heads of household up to $ 112,500 and a couple (or someone whose spouse died in 2020) would receive up to to earn $ 150,000 per year Get double the amount. If they have dependent children, they will also receive $ 600 for each child. People with incomes just above this level would receive a partial payment that decreases by $ 5 for every $ 100 of income.
    • When could my payment arrive? Treasury Secretary Steven Mnuchin told CNBC that he expected the first payments to be made before the end of the year. However, it will take a while for everyone to receive their money.
    • Does the agreement concern unemployment insurance? Legislators agreed to extend the length of time people can receive unemployment benefits and restart an additional federal benefit that is on top of the usual state benefits. But instead of $ 600 a week it would be $ 300. That would take until March 14th.
    • I am behind on my rent or expect to be soon. Do I get relief? The deal would provide $ 25 billion to be distributed through state and local governments to help backward tenants. In order to receive support, households would have to meet various conditions: the household income (for 2020) must not exceed 80 percent of the regional median income; At least one household member must be at risk of homelessness or residential instability. and individuals must be eligible for unemployment benefits or face direct or indirect financial difficulties due to the pandemic. The agreement states that priority will be given to support for lower-income families who have been unemployed for three months or more.

Lawmakers in Congress and White House officials have indicated that they are unsure whether Mr. Trump will give in and sign the legislation, formally veto it, or simply not sign it. While Congress could potentially override Mr Trump’s veto, the next Congress would have to reintroduce the legislation early next year and vote on it when it sits on the bill – a so-called pocket veto.

California Democrat spokeswoman Nancy Pelosi said she would hold a roll-call vote Monday on direct payments legislation that would meet Mr. Trump’s $ 2,000 direct payment request and put pressure on Republicans who oppose such high payments. Congress could also be forced to pass another emergency measure to avoid a shutdown.

Official figures released this week showed continued stress on the economy as personal incomes fell and unemployment claims remained high. Another 398,000 people applied for Pandemic Unemployment Assistance, one of two federal programs to expand unemployment benefits that will be phased out.

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Politics

Congress sends Covid aid invoice to Trump, unclear if he’ll signal it

Congress sends Covid relief bill to Trump, unclear if he will sign it

Congress officially began on Thursday to send a massive Covid-19 aid deal and state funding package to President Donald Trump, who has not yet said whether he will sign it.

The Covid relief effort includes roughly $ 900 billion in spending on programs to help businesses and individuals suffering from the recession caused by the public health crisis, as well as spending on measures to contain the virus.

The state funding aspects of the bill are about $ 1.4 trillion and are necessary to keep the government from shutting down from Monday.

“The bipartisan COVID relief and collective bill has been enrolled,” House spokeswoman Nancy Pelosi, D-Calif., Wrote in a post on Twitter. “The House and Senate are now sending this important piece of #ForThePeople legislation to the White House for the President to sign. We urge him to sign this bill to bring immediate relief to hard-working families!”

The bill will be flown to Palm Beach, Florida and is due to depart around 4 p.m. ET, a senior Republican Senate adviser told NBC News.

Located at his Florida resort, Mar-a-Lago, the legislature’s month-long efforts to reach an agreement on the Covid-19 on Tuesday, the day after the legislature passed both houses of Congress Help to get in control.

Trump said the $ 600 direct payments approved by the bill were too small and called for the size of the checks to be increased to $ 2,000. The president also questioned parts of the state funding law related to foreign aid. He did not explicitly threaten a veto.

These comments surprised lawmakers on both parties. It was widely expected that Trump, who did not take part in recent talks leading up to the bipartisan deal, would sign the bill. Treasury Secretary Steven Mnuchin led negotiations for the White House on aid from Covid.

To save the deal at the last minute, House Democrats tried Thursday to increase direct payments to $ 2,000 in line with Trump’s demands. Republicans in the chamber tried to get Congress to reconsider the foreign aid aspects of the spending package. Both steps, which took place in a short pro forma meeting, failed.

Coronavirus legislation would be Congress’s second major effort to provide a lifeline to those economically affected by the downturn after the laws passed in March.

In addition to paying $ 600 to most Americans, the bill would increase unemployment by $ 300 a week, extend the federal eviction moratorium, and allocate nearly $ 9 billion to ongoing vaccine distribution efforts.

While Congress could potentially override a presidential veto, it is not clear whether it would. And some provisions are designed to maintain programs that could end in the coming days while Trump decides whether to approve the legislation. For example, up to 12 million people will currently lose unemployment benefits on Saturday, the day after Christmas.

Democrats have announced they will be pushing for a third auxiliary bill, and President-elect Joe Biden has announced that he will come up with his plan early next year. It will be inaugurated on January 20th.

The White House did not immediately respond to a request for comment.

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