The Latest: Biden: More US lives lost to COVID-19 than accesswdun.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from accesswdun.com Daily Mail and Mail on Sunday newspapers.
WASHINGTON The Food and Drug Administration said Monday that it won’t require huge, months-long studies if COVID-19 vaccines eventually need tweaking to better match a mutating virus small, short studies will suffice.
The vaccines now being rolled out do still protect against different variants of the virus, the FDA stressed. But viruses mutate constantly, and some new versions are starting to raise concerns. So FDA issued new guidelines for vaccines as well as for virus tests and treatments on steps that companies can start taking to get ready.
“We’re trying to be prepared in advance,” said Dr. Peter Marks, the FDA’s vaccines chief.
The Latest: Johnson & Johnson says can provide 20M US d accesswdun.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from accesswdun.com Daily Mail and Mail on Sunday newspapers.