Add Yahoo as a preferred source to see more of our stories on Google. Covid-19 vaccines were universally recommended for all children ages 6 months and older last season. - Spencer Platt/Getty Images ...

STATEN ISLAND, N.Y. — Children under 6 months of age can’t be vaccinated against coronavirus (COVID-19) — but they can catch it, with potentially serious consequences, medical research has shown. In ...

Covid-19 was never just another cold. We knew it was going to stick around and keep changing to try to get the upper hand on our immune systems. But we've changed, too. Our B cells and T cells, ...

COVID-19 vaccines have been available to the public for nearly three years, and researchers have been gathering information on their widespread use. Recently, a multinational group of researchers ...

COVID-19 variant BA.3.2 or “cicada” is not widely circulating in the U.S. yet, but based on trends in Europe, it may become ...

A new Covid-19 subvariant, BA.3.2, nicknamed Cicada, is being tracked in the US and other countries. Experts say it carries ...

Though COVID-19 isn’t the global health emergency it once was, it remains a critical issue that requires ongoing attention.¹ More than 37,000 COVID-19–related deaths were reported in the United States ...

Children who were vaccinated against Covid-19 last season had a “substantially lower risk” of emergency department and urgent care visits related to the virus, according to a report published Thursday ...