
Why do some people get side effects after COVID vaccines?
NY Post
Why do some people get side effects after COVID-19 vaccines?
Temporary side effects including headache, fatigue and fever are signs the immune system is revving up — a normal response to vaccines. And they’re common. “The day after getting these vaccines, I wouldn’t plan anything that was strenuous physical activity,” said Dr. Peter Marks, the U.S. Food and Drug Administration’s vaccine chief, who experienced fatigue after his first dose.More Related News








