Melody Schreiber - NPR
I got COVID. Then I got it again. What’s the deal with reinfection?
People who catch COVID may feel as if they won't get it again, at least not for a long time. Their immune system should be primed to fight it off in the future. Right? Well, let's see.
A guide to COVID tests: When to test, what kind to use and what your results mean
NPR answers key questions about COVID tests: What types are there? Should you self-test right after exposure to someone with COVID? And what should you do if you test positive?