Officials are looking into four confirmed cases of the dangerous bacteria discovered in the sprays. Two deaths associated with the bacteria are being investigated.
A new coronavirus variant — known as delta plus — has cropped up in the U.K. There's concern it could be more dangerous than the highly contagious delta variant. What does the science actually show?
Lots of people suggest guzzling a tall glass of H2O before the injection. But is there any evidence it'll reduce side effects or improve vaccine effectiveness? Also: painkiller protocols!
Pfizer-BioNTech says their COVID-19 vaccine is 90% effective in kids ages 5 to 11. The Food and Drug Administration is likely to decide on emergency authorization as soon as the last week of October.
The companies studied a 10 microgram vaccine dose in children 5 to 11, a third of the dose used for adults, to minimize side effects and because it still prompts a strong immune response.
NPR's Steve Inskeep speaks to Surgeon General Dr. Vivek Murthy about COVID-19 vaccine boosters, the mixing and matching of vaccines and the White House plan to vaccinate children.