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.
A doctor out of the UK says there's a possibility that by combining two different vaccines you can strengthen your immune response.
"The way out is vaccines": As many people struggle to get vaccinated, Moderna has already moved ahead to booster shots.
This is the first time a coronavirus vaccine has been tested on anyone younger than 12.
The focus in the U.S. thus far has been on the big four: Pfizer, Moderna, AstraZeneca, and Johnson & Johnson.
Kids as young as 12 will be part of the trials, which was approved by the FDA this month.
