CDC recommends new booster shots to fight omicron
CDC Director Rochelle Walensky has signed off on updated versions of the Moderna and Pfizer-BioNTech vaccines that target the original virus and the omicron subvariants.
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FDA authorizes first revamp of COVID vaccines to target omicron
The new shots from Moderna and Pfizer-BioNTech target both the original strain of the coronavirus and the omicron BA.4/BA.5 subvariants that most people are catching now.
Moderna sues Pfizer over COVID-19 vaccine patents
The vaccine maker alleges that its rivals Pfizer and BioNTech used some patented features of its mRNA technology to develop their COVID vaccines.
Reformulated COVID vaccine boosters may be available earlier than expected
The Biden administration may scrap plans to expand eligibility for second boosters to younger adults. Instead, it's trying to speed up the next generation of boosters targeting the omicron variant.
Advisers to the FDA back COVID vaccines for the youngest children
A committee of experts voted unanimously to recommend that the Food and Drug Administration authorize COVID-19 vaccines from Moderna and Pfizer-BioNTech for children as young as 6-months-old.
Moderna says its new 'bivalent' vaccine shows promise against COVID variants
The company says this version targets both the original coronavirus and the beta variant, and appears to provide broader and longer-lasting protection against different strains, including omicron.
Moderna wants the FDA to authorize its COVID-19 vaccine for kids under 6
No deaths were reported in tests, and there were no signs of myocarditis, or heart inflammation, as a side effect.
Booster longevity: Data reveals how long a third shot protects
Now researchers in the U.K. have the first estimates for how long a third shot of the Pfizer vaccine will last. The findings are mixed.
Moderna says its COVID booster increases protection against omicron
Moderna said its current FDA-authorized 50-microgram booster shot increased antibody levels against omicron 37-fold compared to pre-booster levels.
Omicron boosters are in the works, but will they be needed?
Omicron has many more mutations than previous variants of concern, a fact that raises questions about how effective existing vaccines will be against the new form of the coronavirus.