Infectious Diseases

Pink eye may not be a common symptom of Covid-19, but it is a potential symptom. Here's what you...

The Centers for Disease Control and Prevention (CDC) has updated the current recommendation on mask-wearing. Here's the latest, plus...

Out of nowhere, your mouth is bone dry. What gives? Could it be Covid-19? Maybe. Experts discuss the link between...

Covid-19 booster shots are coming. How are they the same—and different—from the first vaccinations?

The Delta variant is now the dominant strain causing Covid-19 illness in the U.S. How does it differ from previous...

Breakthrough Covid-19 infections happen, but they're a tiny fraction of overall cases. Here's what to expect if it happens...

You're fully vaccinated and mask-wearing guidelines have loosened—so when do you still have to wear a mask? You might...

Some Covid-19 survivors report fuzzy thinking and memory problems long after the actual infection. Is there a way to...

Here's what experts say you should and shouldn't do with your Covid-19 vaccine card after getting your Covid-19 shot.

Myths are swirling that the Covid-19 vaccines may cause infertility or pregnancy problems. Find out why you don't have...

As new coronavirus variants emerge, experts debate whether or not a Covid-19 vaccine booster shot will be needed....

A sore arm and flu-like symptoms are just some of the side effects of the Covid-19 vaccine—but reactions can...

If you've skipped your second dose of the Covid-19 vaccine, there's still time to get fully vaccinated. Here's...

Eased mask restrictions depend on your vaccination status, but it may still be a while before you can stop...

If pleasant odors now smell like rotting garbage, you could have parosmia—a condition linked to Covid-19. Here's how long...

Face masks are proven to help stop the spread of Covid-19. They can also protect you from other...

Depending on the test, you can still test positive for Covid months after recovery. You could even get a positive...

You're fully vaccinated from Covid-19, now what? We asked experts what low- and high-risk activities you can and can't do.

Before you spend on antimicrobial clothes, check out what germ experts have to say about these fabrics.

Covid-19 vaccine side effects can include fever, chills, and pain at the injection site. Women are reporting more of...

If enough people are immune to Covid-19, cases and deaths will plummet. This is known as herd immunity. Here's...

If you're losing hair during the pandemic, you're not alone. You also don't need to worry. Here's what to know...

After Covid-19 left her with a loss of smell, or anosmia, Molly Moore is using smell training, including...

Can copper-containing face masks offer more protection against the virus that causes Covid-19? Here's what the science says.

Masks are essential gear for everyone during this pandemic—and some face masks are better than others. Here's everything you...

Wearing a face mask can prevent the spread of Covid-19, but can two masks offer more protection? Double-masking...

Recent research suggests this symptom may be just as common as loss of taste—but it might indicate a milder case...

Moderna and Pfizer are the first two Covid-19 vaccines available, but how do they compare? Here are the similarities and...

If you got the Covid-19 vaccine, you're not in the clear just yet. Here are the possible scenarios where...