Fauci urges a speedy return to school. Pregnant women are getting conflicting advice about vaccines. And New York seriously undercounted virus deaths in nursing homes, investigators say. …
fast-spreading variant first discovered in South Africa, another setback in the global race to end a pandemic that has already killed more than 2.1 million people.
The news was problematic for the United States, which hours earlier reported its first known cases of the contagious variant in two unrelated people in South Carolina. And it came just days after Moderna and Pfizer said that their vaccines were also less effective against the same variant.
Novavax, which makes one of six vaccine candidates supported by Operation Warp Speed last summer, has been running trials in Britain, South Africa, the United States and Mexico. It said Thursday that an early analysis
