As millennials mingled in bars and restaurants over the summer, and students returned to college campuses, coronavirus infections surged among young adults.
Scientists in Houston on Wednesday released a study of more than 5,000 genetic sequences of the coronavirus that reveals the virus’s continual accumulation of mutations, one of which may have made it more contagious.
WASHINGTON (AP) — A huge international study of a COVID-19 vaccine that aims to work with just one dose is getting underway as top U.S. health officials sought Wednesday to assure a skeptical Congress and public that they can trust any shots the government ultimately approves.
(CNN) WASHINGTON -- Dr. Robert Redfield, director of the US Centers for Disease Control and Prevention, said a majority of Americans remain susceptible to Covid-19.
Speaking to the Senate Health Committee on Wednesday, Redfield said, “CDC is in the process of a very large, sequential study across the entire United States, measuring serology.”
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