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.
Scientists who sent bulked-up, mutant “mighty mice” to the International Space Station say the animals held onto their muscle during the monthlong flight.
Top executives of nine drugmakers likely to produce the first vaccines against the new coronavirus are taking the extraordinary step of promising they'll be safe and effective.
Astrophysicists detected the signal from a long ago violent collision of two black holes that created a new one of a size that had never been seen before.
The timeline raised concern among public health experts about an “October surprise" — a vaccine approval driven by political considerations ahead of a presidential election, rather than science.
Thailand’s prime minister is congratulating the nation for having achieved 100 days without a confirmed locally transmitted case of the coronavirus.
A third leading candidate COVID-19 vaccine has entered a final stage of human testing in the United States.
Mayor Bill de Blasio says New York City is delaying sending students back to classrooms in the nation’s largest public school system.
West Virginia University has developed technology that can predict coronavirus outbreaks with 90 percent accuracy. Dr. Ali Rezai, executive chair of WVU's Rockefeller Neuroscience Institute, joined Cheddar to discuss the technology and protocols the university will implement to mitigate the spread of COVID-19.
How and whether companies participate in COVID-19 vaccination programs could mean the difference between a successful roll-out, and one fraught with suspicion and misunderstanding.
India has registered 78,761 new coronavirus cases, the biggest single-day spike in the world since the pandemic began, just as the government began easing restrictions to help the battered economy.
