Vaccination

Pfizer tests extra COVID shot for kids under 5 in setback

Pfizer said Friday it was changing plans and testing three doses of its COVID-19 vaccine in babies and preschoolers after the usual two shots didn't appear strong enough for some of the children.

Diseases, Conditions, Syndromes

New study adds more evidence for Omicron immune evasion

A new study from Columbia researchers, in collaboration with scientists at the University of Hong Kong, adds more evidence that the omicron variant can evade the immune protection conferred by vaccines and natural infection ...

Diseases, Conditions, Syndromes

CDC warns of coming Omicron wave

(HealthDay)—The Omicron variant is spreading rapidly in the United States and could trigger a huge wave of COVID infections as early as January, federal health officials said Tuesday.

Vaccination

EU regulators: J&J vaccine booster OK to give after 2 months

The European Union drugs regulator said Wednesday that people 18 and older can receive a booster shot for the Johnson & Johnson COVID-19 vaccine at least two months after their initial shot of the one-dose vaccine.

Vaccination

Over 65s without booster to lose France COVID pass

France on Wednesday begins implementing a new tightening of rules in the fight against COVID-19, meaning people aged 65 and over will lose the validity of their health pass unless they have had a third booster shot.

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