Flu shots aren’t perfect, and none offer absolute protection, but you’re still better off getting one.
How would your life change if you were immune to Covid-19?
The FDA has changed its standards for okaying coronavirus vaccines. What happened, and why does it matter?
Is a Covid-19 vaccine before the end of the year still a reality?
If you’ve had chickenpox, the shingles virus is already in your body.
Mild side effects from flu shots have resulted in long-held misconceptions.