Infectious Diseases

Infectious diseases are everywhere. Learn about infection symptoms, types of infections, prevention and more.

Jason Alexander Wants You to Get Your Flu Shot

Didn't know Jason Alexander was so passionate about flu protection? Big time. Plus, he answers the burning question you didn't know...


Monkeypox Symptoms and 7 Other Facts from Epidemiologists

Here's what to know about monkeypox after the World Health Organization declared it a public health emergency of international...


Here’s What Virology Experts Think About Dropped Masks on Public Transport as New Variants Spread

This week, a federal judge ruled that masks can no longer be mandated on public transportation. With Covid infection rates...



How to Exercise After Covid-19: Lung and Exercise Science Doctors Share Current Wisdom

If you know, you really know: Covid-19 affects your body differently than other illnesses. Lung and heart physicians explain...


The New COVID-19 Variant, “BA.2″—Get 9 Facts Straight From Medical Specialists

BA.2, the new Covid-19 variant that's also referred to as "stealth Omicron," is spreading in the U.S. with the...


15 Signs of COVID That Could Mean You Were Sick but Didn’t Know

By now, we've all known someone who's had COVID-19. With the two most dominant variants now significantly more contagious...


Is Dry Mouth a Symptom of Covid?

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


Do You Need a Covid-19 Booster Shot? Here’s What to Know

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


5 Ways Delta Differs From “Regular” Covid and 3 Ways It’s the Same

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


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What Is Antimicrobial Fabric and Can It Kill Germs?

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


What Is Covid-19 Herd Immunity and When Will It Happen?

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


Covid-19 Took This Woman’s Sense of Smell—She’s Fighting to Get It Back

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


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Should You Buy a Copper-Infused Face Mask for Covid-19 Protection?

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


How Dangerous Are the New Coronavirus Mutations?

Multiple Covid-19 variants are circulating. Here's what to know about these coronavirus mutations and whether the new vaccines will...


The New Covid-19 Vaccine Is Here: This Is What Doctors Need You to Know

Is the vaccine safe? How long does the protection last? When will you be able to get it? Here are...

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Yes, Your Face Mask Can Irritate Your Eyes: 6 Solutions from Eye Specialists

Masks are an essential ingredient in the fight against Covid-19's spread, but our eyes are paying a price.


What Is a Normal Oxygen Level and How Can I Check Mine?

A pulse oximeter may be a helpful tool to monitor oxygen levels at home if you suspect you have


A Covid-19 Winter Is Coming: Use These Expert Tips to Prep

From stocking your pantry to creating a cozy nest, here are expert tips on preparing for a coronavirus winter.


Think Coronavirus Is a Hoax? 6 Things that Make It Clear It’s Not

Check the facts and the hard data, coronavirus is not a hoax. Here are six reasons why, according to...


Surprising Ways America’s Health Has Changed During Covid-19

The Covid-19 pandemic is changing the health of Americans in surprising ways, from a possible milder flu season...


Do Face Shields Really Help Stop Coronavirus?

Face shields can provide Covid-19 protection, but only if you wear them with a face mask. Here's...

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7 Best Cold Weather Face Masks for Coronavirus

Stay warm, cozy, and stylish in winter with these doctor-recommended face masks for cold weather, from neck gaiters to reusable...


This Man Was Superfit When He Got Covid-19—and Then He Lost His Leg

After a severe Covid-19 diagnosis, a personal trainer is left in a wheelchair after having his right leg and ...


Can Mosquitoes Transmit Coronavirus?

Mosquitoes can transmit many diseases but current evidence suggests that Covid-19 isn't one of them. Still, it's important to take...


Can You Leave Hand Sanitizer in a Hot Car?

Some reports suggest hand sanitizers might explode in a hot car. Here's what experts have to say.


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The Worst Face Masks for Covid-19 Protection, According to Research

Wearing a face mask can help stop the spread of Covid-19, but some masks are better than others. These are...


Does Hand Sanitizer Kill Viruses?

If handwashing is not an option, hand sanitizers can help protect you from Covid-19. Here's how to choose the right...