US scientists working to upgrade Covid vaccines for variants, says Fauci
by Guardian staff and agencies from on (#5D9D5)
Moderna says its vaccine works against UK and South Africa variants but it is developing new form to be used as booster
US scientists are preparing to upgrade Covid-19 vaccines to address variants of the coronavirus now circulating in the UK and South Africa, Dr Anthony Fauci said on Monday. At the same time, Moderna said that though its Covid vaccine worked against the variants, it was developing a new form to be used as a booster shot.
Related: Fauci says he was the 'skunk at the picnic' in Trump's Covid team
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