More than 100,000 people are on the U.S. transplant list, as an alternative, scientists are genetically altering pigs so their organs are more humanlike.
Researchers examined 12 vaccine safety trials, involving thousands of people, and compared rates of side effects reported between those who received a placebo shot and those who received a real shot.
The changes probably mean a delay in authorization for vaccines for younger children, Dr. Anthony Fauci said.
Can a drug used to treat high cholesterol also treat COVID-19? It's a question researchers at Penn Medicine are trying to answer.
A doctor out of the UK says there's a possibility that by combining two different vaccines you can strengthen your immune response.
As Americans continue to line up for COVID vaccines, doctors here in the Bay Area are hoping to extend that option to younger children as well.