Health officials say the delta variant of the coronavirus continues to surge and accounts for an estimated 83% of U.S. COVID-19 cases.
That’s a dramatic increase from the week of July 3, when the variant accounted for about 50% of genetically sequenced coronavirus cases.
“The best way to prevent the spread of COVID-19 variants is to prevent the spread of disease, and vaccination is the most powerful tool we have,” said Dr. Rochelle Walensky, director if the Centers for Disease Control and Prevention, during a U.S. Senate hearing Tuesday.
The delta variant is a mutated coronavirus that spreads more easily than other versions. It was first detected in India but now has been identified around the world.
A meta-analysis published in Current Biology suggests men who get fewer than six hours of sleep a night leading up to a vaccination had a weaker antibody response compared to those who got more sleep.
At its annual health event on Tuesday, Google announced a series of changes to its search tool that it said will make it easier to access information about affordable health care services.
The Environmental Protection Agency (EPA) is proposing the nation's first-ever drinking water standard around polyfluoroalkyl substances (PFAS) or "forever chemicals."
A new atmospheric river brought heavy rain, thunderstorms and strong winds to California on Friday, raising the threat of flooding and disrupting travel.
