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.”
A new national effort asks K-12 schools to voluntarily — and anonymously — report their confirmed and suspected coronavirus cases, along with the safety strategies they're using.
More than 100 million COVID-19 tests have been performed in the United States, according to the Centers for Disease Control and Prevention's COVID Data Tracker.
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