How age can impact COVID-19 vaccine response
The COVID-19 pandemic is far from over… In the U.S., the number of infections is climbing once again, driven mainly by more contagious variants of SARS-CoV-2, the virus that causes COVID-19. If you’ve already been vaccinated, you may think that it’s completely safe to resume normal life despite the rising infection rate. But as effective as all the existing COVID-19 vaccines are, none of them provide 100 percent protection. And…