American adults who haven’t yet gotten vaccinated against COVID-19 may soon get another choice, as advisers to the Food and Drug Administration on Tuesday backed a more traditional type of shot. Next, the FDA must decide whether to authorize the protein vaccine made by latecomer Novavax as ...

The coronavirus mutant that is now dominant in the United States is a member of the omicron family but scientists say it spreads faster than its omicron predecessors, is adept at escaping immunity and might possibly cause more serious disease. Why? Because it combines properties of both ...

New U.S. research on long COVID-19 provides fresh evidence that it can happen even after breakthrough infections in vaccinated people, and that older adults face higher risks for the long-term effects. In a study of veterans published Wednesday, about one-third who had breakthrough infections ...

Three doses of Pfizer’s COVID-19 vaccine offer strong protection for children younger than 5, the company announced Monday, another step toward shots for the littlest kids possibly beginning in early summer. Pfizer plans to submit the findings to U.S. regulators later this week. The Food ...

BERLIN (AP) — The COVID-19 pandemic is “most certainly not over,” the head of the World Health Organization warned Sunday, despite a decline in reported cases since the peak of the omicron wave. He told governments that “we lower our guard at our peril.” The U.N. health agency’s ...

Kids ages 5 to 11 should get a booster dose of Pfizer’s COVID-19 vaccine, advisers to the U.S. government said Thursday. The Center for Disease Control and Prevention quickly adopted the panel’s recommendation, opening a third COVID-19 shot to healthy elementary-age kids — just like ...