The CDC's guidelines for vaccinated people don't cover every scenario, including some common ones. Experts weigh in on what's safe in 6 scenarios not mentioned by the CDC.

"My advice to patients is to listen to your body," Bernstein said. "If you have significant fatigue and fever, then it is likely not the day to do a high-intensity interval training workout."

Getting a COVID-19 vaccine doesn't mean you can throw away your mask.

It's normal to feel discomfort after a coronavirus shot. Injection-site pain is the most common side effect of all three shots.

Since the arm is where the vaccine originates, immune cells rush to that area and inflame it, making it look red and feel tender. Moving your arm can relieve the intensity of arm tenderness.

Our immune systems tend to deteriorate as we age, so older people's bodies don't work as hard to defend them against invaders — including the proteins in a vaccine.

Scammers can use pictures of the vaccine cards to steal your identity or create fake cards.

The CDC is not collecting vaccine information when Americans are vaccinated. Therefore, the vaccine cards can work as proof that you've been inoculated at least once.