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.
The U.N. weather agency says greenhouse gas concentrations hit a new record high last year and increased at a faster rate than the annual average for the last decade.
Moderna says its low-dose COVID-19 vaccine is safe and appears to work in 6- to 11-year-olds.
U.S. health officials say a salmonella outbreak tied to onions has sickened more than 650 people in 37 states.
Scientists have temporarily attached a pig’s kidney to a human body and watched it begin to work.
The NFL and lawyers for thousands of retired NFL players have reached an agreement to end race-based adjustments in dementia testing in the $1 billion settlement of concussion claims.
U.S. regulators are extending COVID-19 boosters to Americans who got the Moderna or Johnson & Johnson vaccine.
Kids aged 5 to 11 will soon be able to get a COVID-19 shot at their pediatrician’s office, local pharmacy and potentially even their school.
Investigators believe a massive cargo ship dragging anchor in rough seas caught an underwater oil pipeline and pulled it across the seafloor.
A panel of U.S. health advisers has endorsed booster doses of Johnson & Johnson’s single-shot COVID-19 vaccine.
A panel of U.S. health advisers has endorsed booster shots for Moderna's COVID-19 vaccine.
