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WEDNESDAY, Jan. 19, 2022 (HealthDay News) -- Two doses of the BNT162b2 vaccine are highly effective against COVID-19-related hospitalization and critical disease in adolescents aged 12 to 18 years, according to a study published online Jan. 12 in the New England Journal of Medicine.

TUESDAY, Jan. 18, 2022 (HealthDay News) -- It is too soon to determine whether omicron's rapid spread will turn a pandemic virus into an endemic disease, America's top infectious disease expert says.

TUESDAY, Jan. 18, 2022 (HealthDay News) -- Residents of nursing homes have been a particularly high-risk group throughout the pandemic, and the advent of the fast-spreading omicron variant has them facing another wave of infections and deaths, new data show.

  • Updated

TUESDAY, Jan. 18, 2022 (HealthDay News) -- Before getting their first dose of a COVID vaccine, many Americans were nervous about how they would react to the shot, but new research shows that fears of side effects may actually make side effects more likely.