Moderna is developing two kinds of booster shots, one targeting the original Omicron subvariant and another targeting the BA.4 and BA.5 subvariants
They would target either the BA.1 subvariant predominant in many countries early this year or the BA.4 and BA.5 subvariants now dominant in the U.S. and many other countries
If you’ve had Covid before, why can you get it again? WSJ’s Daniela Hernandez explains what the possibility of reinfections means for the future of public-health policy and the Covid-19 pandemic. Illustration: David FangModerna Inc. said it is developing two potential Covid-19 booster shots targeting different Omicron subvariants, citing differences in market preferences among the U.S. and other countries.
The Cambridge, Mass., company said Monday it has completed requests for regulatory authorization of one of its new booster shots in the European Union, the U.K. and Australia. The company expects to complete regulatory filings elsewhere this week.
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