CDC: COVID-19 Vaccine Might Not Sit Well Initially

Experts caution that vaccines may cause temporary discomfort, with many trial participants experiencing flu-like symptoms. Health professionals emphasize that these reactions indicate the vaccine is working, but they worry that such side effects might deter people from getting vaccinated or returning for a second dose if required.

What did a physician say about how people might feel after receiving the vaccine?

What might prevent people from returning for a second dose of the vaccine?