Vaccination

US: Pfizer COVID-19 shot appears effective for kids under 5

Federal health officials said Sunday that kid-sized doses of Pfizer's COVID-19 vaccines appear to be safe and effective for kids under 5, a key step toward a long-awaited decision to begin vaccinating the youngest American ...

Vaccination

FDA advisers weigh COVID-19 booster shots for fall

Outlining a daunting timeline for development of any updated COVID-19 vaccine for next fall, federal health officials told an expert advisory panel on Wednesday that clinical trials of potential candidates would have to begin ...

Diseases, Conditions, Syndromes

How will COVID end? Experts look to past epidemics for clues

Two years into the COVID-19 pandemic, most of the world has seen a dramatic improvement in infections, hospitalizations and death rates in recent weeks, signaling the crisis appears to be winding down. But how will it end? ...

Diseases, Conditions, Syndromes

CDC encourages more Americans to consider N95 masks

U.S. health officials on Friday encouraged more Americans to wear the kind of N95 or KN95 masks used by health-care workers to slow the spread of the coronavirus.

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