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US to allow COVID-19 vaccine booster mix and match: Report

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US will allow 'mix and match' Covid vaccine boosters: report

The US study on the booster, which has not yet been peer-reviewed, has several limitations. (file)

Washington:

The US Food and Drug Administration (FDA) is preparing to allow a “mix and match” coronavirus vaccine, in which people get a separate additional shot to the dose they initially received, US media reported.

Citing sources familiar with the situation, the New York Times said the FDA could announce Wednesday when it is also expected to authorize boosters for the Moderna and Johnson & Johnson vaccines.

A preliminary study released last week in the United States showed that people who have received the J&J vaccine may benefit from a booster dose of a different, messenger-RNA vaccine, such as Pfizer or Moderna.

But several reports quoted people familiar with the discussion as saying that one shot may not be recommended over another, and the FDA may say it is better to use the same vaccine when possible.

“People generally should get the same vaccine as their initial series,” a federal official told the Washington Post.

Proponents of mix-and-match point to its benefits in terms of simplifying vaccine rollout, and ensuring that people who need boosters can get them, regardless of what they initially have. Be.

“From a public health perspective, there is a clear need in certain situations for individuals to receive a different vaccine,” Amanda Cohn, a high-ranking Centers for Disease Control and Prevention official, told the New York Times.

In July, World Health Organization lead scientist Soumya Swaminathan said mixing and mixing vaccines was “a little data-free, evidence-free territory”.

The US study on the booster, which has not yet been peer-reviewed, has several limitations.

The number of participants was small, and the immune response may have developed even after 15 days as observed during the study.

In the United States, adults over 65, those with high-risk medical conditions, and in jobs where they are frequently exposed to the virus are eligible to receive booster shots.

The World Health Organization’s vaccine advisors last week recommended that people with weakened immune systems be offered an additional dose of all WHO-approved Covid-19 vaccines.

But the WHO wants a moratorium on booster doses for the general population by the end of the year to prioritize the first dose in dozens of vaccine-starved countries.

(Except for the title, this story has not been edited by NDTV staff and is published from a syndicated feed.)

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