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U.S. begins testing Moderna’s Covid vaccine booster photographs for variant from South Africa

U.S. begins testing Moderna's Covid vaccine booster shots for variant from South Africa

A nurse draws a vaccine for Moderna Coronavirus Disease (COVID-19) on March 5, 2021 at the East Valley Community Health Center in La Puente, California.

Lucy Nicholson | Reuters

The National Institutes of Health have started testing a new coronavirus vaccine from Moderna, which is designed to protect against a problematic variant first found in South Africa, the agency said on Wednesday.

According to the agency, the phase 1 study, which is led and funded by the National Institute for Allergies and Infectious Diseases of the NIH, will test how safe and effective the new shot is against the variant known as B.1.351 in around 210 healthy adults .

The study, which has already had some of the first vaccinations, will include approximately 60 adults who participated in Moderna’s original Covid-19 vaccine studies last year, as well as approximately 150 people who have not yet received a Covid-19 vaccine at one Statement.

Returning participants, who were given two syringes of the original vaccine 28 days apart at different doses early last year, will split up.

Some of them get a single booster shot with the new vaccine at a higher dose while others get the new vaccine at a lower dose, the statement said. Remaining participants will be offered a booster shot with the original vaccine “as part of a separate clinical trial protocol”.

Researchers will take blood samples from participants throughout the study, which can be tested against other circulating strains of the virus to see if the vaccine elicits an immune response.

The study will recruit volunteers in the Atlanta, Cincinnati, Seattle and Nashville, Tennessee areas and should be fully enrolled by the end of April, the agency said.

Variant B.1.351, first discovered in South Africa at the end of last year, has given scientists more cause for concern compared to other variants. The variant appears to spread more easily than the original “wild-type” strains, and research shows that it may evade some of the safeguards created by therapeutics and vaccines.

So far, 312 Covid-19 cases with variant B.1.351 have been identified in the United States, according to the latest data from the Centers for Disease Control and Prevention.

“Preliminary data shows that the COVID-19 vaccines currently available in the US should provide adequate protection against SARS-CoV-2 variants,” said NIAID Director and Chief Medical Officer of the White House, Dr. Anthony Fauci, in a statement.

“However, out of caution, NIAID has continued its partnership with Moderna to evaluate this variant vaccine candidate should an updated vaccine be required,” said Fauci.

The US Food and Drug Administration has already announced that it will accelerate the approval process for the updated vaccines, which target the problematic variants, so that no lengthy clinical trials are required.

However, an independent safety monitoring committee will continue to monitor the trials to ensure the shots are safe, the NIH statement said.

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Moderna to start trials of Covid vaccine booster photographs for variant from South Africa

NY will begin offering shots to people with underlying health conditions this month

A health care worker gives a picture of Moderna COVID-19 to a woman at a pop-up vaccination site operated by SOMOS Community Care during the coronavirus disease (COVID-19) pandemic in New York on January 29, 2021 Vaccine.

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Moderna announced on Wednesday that a new Covid-19 vaccine, which is said to offer better protection against the highly contagious variant of coronavirus that is widespread in South Africa, has been delivered to the National Institutes of Health.

The vaccine – which Moderna names mRNA-1273.351 – can be tested in an early clinical trial to see if it can be used as a booster against the South African strain, also known as B.1.351. Moderna has found that its current two-dose regimen produces a weaker immune response against the South African strain, although the company said the antibodies in patients remain above levels expected to protect against the virus.

“Moderna is committed to making as many updates as necessary to our vaccine until the pandemic is under control,” said the company’s CEO, Stephane Bancel, in a press release. “We hope to show that booster doses can be given at lower doses when needed, which will allow us to make many more doses available to the global community when needed in late 2021 and 2022.”

US health officials are increasingly concerned about new, emerging variants of the virus, particularly strain B.1.351, which has been shown to reduce the effectiveness of vaccines both in market and in development. Over the past few weeks, the White House Chief Medical Officer, Dr. Anthony Fauci, urged Americans to get vaccinated as soon as possible before potentially new and even more dangerous variants of the virus emerge.

As of Tuesday, the Centers for Disease Control and Prevention had identified 1,881 cases of variant B.1.1.7, which were first found in the UK. The US authorities said they had identified 46 cases of the strain B.1.351 from South Africa and five cases of P.1, a variant first discovered in Brazil. The more people become infected, the more likely it is that even more problematic mutations will occur, say medical experts.

On Monday, the Food and Drug Administration released updated guidelines that modified Covid-19 vaccines that work to protect against new, emerging variants may be approved without the need for lengthy clinical trials. The FDA would approve the new vaccine as an amendment to a company’s originally approved emergency filing, thereby expediting the regulatory review process.

Moderna first announced on January 25 that it was working on a booster shot to protect itself against the variant in South Africa.

The company announced on Wednesday that it is evaluating three approaches to increasing immunity. The first approach would use variant-specific booster vaccinations such as mRNA-1273.351, but at a lower dose than the original vaccine. The second would combine the original vaccine with a variant-specific vaccine into a single shot at 50 micrograms or less, Moderna said. The third would test a third shot of the original vaccine at a lower dose.

Moderna said it also plans to test the original vaccine and new booster shot as a two-dose regimen in people without coronavirus antibodies.

Separately, the company also announced that it is expected to produce up to 1.4 billion doses of Covid-19 vaccine by 2022. It has also raised its global base production estimate from 600 million cans to 700 million cans this year.

According to Moderna, the 1.4 billion doses in 2022 assume the vaccine will be given at its current level of 100 micrograms. If the vaccine turns out to be effective at a lower dose, the company could deliver up to 2.8 billion doses by 2022, the company said.

Moderna has signed a contract with the US government for 300 million cans. The company has shipped around 55 million cans to the US to date. The first 100 million cans are expected to be shipped to the US by the end of the first quarter of 2021, the second 100 million cans by the end of May 2021, and the third 100 million cans by the end of July 2021.

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Moderna engaged on booster pictures for South African pressure

Moderna working on booster shots for South African strain

Moderna said Monday it was speeding up work on a Covid-19 booster shot to protect against the recently discovered variant in South Africa.

The researchers said that the current coronavirus vaccine appears to work against the two highly communicable strains found in the UK and South Africa, although it may be less effective against the latter.

The two-dose vaccine produced an antibody response against several variants, including B.1.1.7 and B.1.351, which were first identified in the UK and South Africa, respectively. This was the result of a Moderna study carried out in collaboration with the National Institute of Allergy and Infectious Diseases. The study has not yet been peer-reviewed.

The vaccine produced a weaker immune response against the South African tribe, but the antibodies remained above levels expected to protect against the virus, the company said, adding that the results may indicate a “potential risk of previous weight loss of immunity to the new “indicate B.1.351 strains.

“Out of caution and taking advantage of the flexibility of our mRNA platform, we are bringing an ambitious variant booster candidate against the variant first identified in the Republic of South Africa to the clinic in order to determine whether it is more effective to increase the titre against it.” these and possibly future variants, “said Stephane Bancel, CEO of Moderna, in a statement.

Moderna shares rose nearly 4% in premarket trading after the announcement.

Paul Offit, director of the Vaccine Education Center at Philadelphia Children’s Hospital, said he was glad Moderna is preparing for the possibility that the virus could mutate enough to evade the protection of current vaccines.

“This is not yet a problem,” said Offit, also a member of the FDA’s Advisory Committee on Vaccines and Related Biological Products. “Prepare for it. Sequencing these viruses. Be ready in case a variant appears that is resistance to the vaccine.”

On Thursday, White House health advisor Dr. Anthony Fauci, new data showed that the Covid-19 vaccines currently on the market may not be as effective against new, more contagious strains of the coronavirus. Some early results posted on the bioRxiv preprint server indicate that the South African variant can evade the antibodies of some coronavirus treatments.

The Food and Drug Administration approved Moderna’s vaccine for people aged 18 and over in December.

Moderna’s vaccine, like Pfizer’s, uses messenger RNA or mRNA technology. It’s a new approach to vaccines that uses genetic material to trigger an immune response. Late-stage clinical trial data released in November shows that Moderna Covid’s vaccine is more than 94% effective at preventing, safe and appearing to ward off serious illness. For maximum effectiveness, the vaccine requires two doses four weeks apart.

Bancel told CNBC that Moderna’s vaccine will protect against the South African tribe in the short term, but the company doesn’t know how long that protection could last.

“What is currently unknown is what will happen in six months, twelve months, especially in the elderly because, as you know, they have weaker immune systems,” he said during an interview with Squawk Box. “Because of this unknown … we decided, out of caution, to bring a new vaccine to the clinic.”

“We cannot lag behind. We cannot fall behind this virus,” he said, adding that the virus “will continue to mutate”.

–CNBC’s Noah Higgins-Dunn contributed to this report.

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Moderna seems to be to check Covid-19 booster photographs a yr after preliminary vaccination

Moderna looks to test Covid-19 booster shots a year after initial vaccination

One of the boxes containing the Moderna COVID-19 vaccine is prepared for shipment at the McKesson distribution center in Olive Branch, Mississippi, USA, on December 20, 2020.

Paul Sancya | Reuters

Moderna plans to test a booster shot of its Covid-19 vaccine a year after the first two-dose immunization, as the duration of protection from the new vaccines is still unclear.

The biotech company plans to start the study in July. This emerges from a company presentation at the JPMorgan Healthcare Conference on Monday. According to an email shared by one of those people, employees at the clinical trial sites have already started contacting participants in previous trials.

“From what we’ve seen so far, we’re assuming the vaccination will take at least a year,” said Dr. Tal Zaks, Moderna’s Chief Medical Officer, told investors and analysts at the conference. “To the extent that you need a booster shot, we make a data-based recommendation, and for that we need to pull the data.”

The first participants in Moderna’s human clinical trials received their recordings in mid-March. a second was given four weeks later. Since multiple doses of the vaccine were tested in previous studies, those with doses lower than the ultimately approved – 100 micrograms – would get their booster sooner, while those with 100 micrograms or higher would get their booster at the end of the year, according to an email to the Attendees.

The booster that is now planned is the same version of the vaccine that is on the market, but Stephane Bancel, CEO of Moderna, said it might be necessary to adapt the vaccine in the coming years to cover new variants.

“I think this is going to be a market like the flu,” he told CNBC. Moderna also recently started a seasonal flu vaccination program.

The booster study for Moderna’s Covid-19 vaccine will assess both safety and the immune response that an additional shot generates a year later, Bancel said at the conference.