The F.D.A. recommends Covid boosters be retooled to incorporate the Omicron subvariants BA.4 and BA.5.
WASHINGTON — The Food and Drug Administration on Thursday said it had advised coronavirus vaccine manufacturers to update their booster
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Omicron
The Omicron subvariants BA.4 and BA.5 have together become dominant in the U.S., the C.D.C. estimates.
Continuing their rapid march across the United States, the Omicron subvariants known as BA.4 and BA.5 have together become dominant
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F.D.A. Panel to Consider If Next Generation Vaccines Should Target Omicron
An independent panel of advisers to the Food and Drug Administration will meet on Tuesday to consider options for updating
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Chinese Omicron Study Renews Debate Over ‘Zero Covid’ Policy
A new Chinese study about the relatively low risks associated with the Omicron variant of the coronavirus has reignited discussion
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Moderna Says Its Revised Covid Vaccine Works Better Against Omicron
Moderna released preliminary results on Wednesday on an updated coronavirus vaccine that targets the Omicron variant, calling it “our lead
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More Omicron Versions Gain Ground U.S., According to C.D.C. Estimates
The Omicron subvariants known as BA.4 and BA.5 now represent 13 percent of new coronavirus cases in the United States,
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Revised Moderna Vaccine Works Better Against Omicron, Trial Suggests
Moderna released results on Wednesday on an updated coronavirus vaccine targeting the Omicron variant, calling it “our lead candidate” to
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During the Omicron Wave, Death Rates Soared for Older People
Despite strong levels of vaccination among older people, Covid killed them at vastly higher rates during this winter’s Omicron wave
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