As more Arizonans start to become eligible for their second COVVID-19 vaccine, some wonder if they should be asking the healthcare workers administering the shots to inject them in a different location than their first dose.
Scientists are testing mRNA vaccines to protect cows and people against bird flu
SeattlePI.com
The bird flu outbreak in U.S. dairy cows is prompting development of new, next-generation mRNA vaccines — akin to the shots..