Before omicron, one-third of Americans had been infected with the coronavirus, but by the end of February, that rate had climbed to nearly 60 percent — including about 75 percent of…
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Since the FDA authorized fourth doses, or second boosters, of the Pfizer-BioNTech and Moderna mRNA SARS-CoV-2 vaccines last month for people 50 and older and additional doses for immunocompromised people…
COVID-19 cases and hospitalizations are rising nationwide for the first time since January as the omicron subvariant BA.2 accounts for 85.9 percent of U.S. cases. Daily COVID-19 cases are projected to increase 93.6 percent…
China’s largest city and a global financial center is experiencing a record number of daily COVID-19 cases, driven by the Omicron BA.2 subvariant. Over the weekend, Shanghai entered an indefinite…
Yesterday, the Food and Drug Administration authorized a second booster shot of the Pfizer-BioNTech and Moderna coronavirus vaccines for people 50 and older, a decision intended to help shore up protection against…
Despite the decline in cases here, a surge in coronavirus infections in Western Europe has experts and health authorities on alert for another wave of the pandemic in the United States even…
A series of studies released over the last week have begun to shine a light on the impact of SARS-CoV-2 infection on brain function and cognitive health. The first study,…
Researchers have identified 16 new genes and confirmed 7 previously identified genes that they say significantly predispose people to critical COVID-19 disease, some of which could provide targets for treatments,…
Nature last week that found that heart disease risk soared after COVID. Even a mild case of COVID-19 can increase a person’s risk of cardiovascular problems for at least a…
Booster doses of SARS-CoV-2 mRNA vaccines are strongly recommended by public health and medical professionals—even more so during the recent surge in cases caused by the Omicron variant of concern—to…