Diseases, Conditions, Syndromes

S. Korea has deadliest day of pandemic amid omicron surge

South Korea saw its deadliest day of the pandemic on Saturday, reporting 112 fatalities in the latest 24-hour period, as it grapples with a wave of coronavirus infections driven by the fast-moving omicron variant.

Diseases, Conditions, Syndromes

COVID booster needed for broad protection against omicron variants

A COVID-19 booster shot will provide strong and broad antibody protection against the range of omicron sublineage variants of the SARS-CoV-2 virus in circulation, two new studies using serum from human blood samples suggest.

Diseases, Conditions, Syndromes

Omicron especially dangerous for unvaccinated: WHO

The Omicron variant of COVID-19 is dangerous—and especially so for those who have not been vaccinated against the disease, the World Health Organization warned Wednesday.

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