The company says a low-dose version of its vaccine triggers an immune response in children ages 6 months to less than 6 years equivalent to what has protected older children and adults.
The company says this version targets both the original coronavirus and the beta variant, and appears to provide broader and longer-lasting protection against different strains, including omicron.
People aged 50 and over could soon be eligible for a second Pfizer-BioNTech or Moderna COVID vaccine booster. The administration wants to offer the shots as immunity from the first booster is waning.
The U.S. Preventive Services Task Force says the age that routine screening begins for colorectal cancer should drop from 50 to 45. Colorectal is the third-leading cause of cancer deaths in the U.S.
New coronavirus cases are at their lowest level since October. Some health experts think the vaccination campaign deserves credit for tamping down the U.S. outbreak. But will the downturn last?
On Monday, health care workers began administering the first shots of a COVID-19 vaccine. NPR discusses the latest news and explores the challenges the U.S. could face in vaccinating people.
On Monday, health care workers began administering the first shots of a COVID-19 vaccine. NPR discusses the latest news and explores the challenges the U.S. could face in vaccinating people.
The average wait time for results of a coronavirus test has dropped to about three days, but that is still too slow to keep infected people from unknowingly spreading the virus, researchers report.