Coronavirus Medical Reference

If you have diabetes, you may be more at risk for long COVID, but we’re still not sure what to expect.

Experts continue to study the effects COVID-19 has on your health. They’ve found that depression is a common side effect of long COVID. Read more here.

COVID-19 symptoms and heart problems can last for months after the infection clears up. Find out about the link between long COVID and your heart.

The National Wastewater Surveillance System helps experts track COVID-19 cases in sewage. Learn more about how it can help protect you from the virus.

The WHO named the Omicron mutation of the COVID-19 virus a variant of concern. Learn more about the variant and it’s new subvariants.

Experts believe the COVID-19 virus began in wild animals. Learn more about how this virus influences wildlife and how that may affect humans.

Antiviral drugs can help your body fight off viruses like COVID-19. Learn more about forms of antivirals approved for COVID-19 treatment.

COVID-19 may be linked to swollen, discolored toes. Find out what the symptoms and treatments are, which other skin condition can look like COVID toes, and more.

Over half of a COVID-19 survivor sample reported symptoms of depression after recovery. Learn more about the link between COVID-19 and mental health.

Fatigue is a common symptom of COVID-19. But for some, it can last weeks or months. Here’s what to know about COVID-19 infections and long-term fatigue.

Face masks can protect your kid from COVID-19. Here’s how.

People infected with the coronavirus that causes COVID-19 may have different viral loads.

Experts are looking at how long-haul COVID-19 affects children. Here’s what they know.

In some people, the COVID-19 vaccine has been linked to myocarditis, or inflammation of the heart. Learn how to spot signs of myocarditis and what to do if you think you have it.

Even a mild case of COVID-19 can have lasting effects on your heart. Once you feel better after you’ve had the virus, use this information to make sure your heart stays healthy after your recovery.

The delta variant is a fast-spreading form of COVID-19. Learn more about what makes this variant different from others and how to stay safe.

WebMD explores what the research says about vitamin D and COVID-19.

You’ve recovered from COVID-19, but now your heart races and you get dizzy when you stand up. Is there be a link? It’s possible -- here’s what you should know.

There’s a small chance you could catch COVID-19 after you’re fully vaccinated. You might hear this called “breakthrough COVID-19.” Here’s what you need to know.

With more and more people traveling again, you may wonder what’s safe. It mainly depends on whether you’ve gotten the COVID-19 vaccine. Here’s what to know if you’re thinking about a trip in the U.S. or abroad.

Researchers have identified another type of coronavirus, CCoV-HuPn-2018, the first known to spread from dogs to humans. Learn more about what it is, how researchers found it, and whether humans are at risk for this virus.

Some people who’ve had the COVID-19 virus developed neurological side effects, or symptoms affecting their brain function. Find out why this happens and what conditions it could cause.

Learn how COVID-19 may lead to erectile dysfunction.

Monoclonal antibodies have been a breakthrough treatment for cancer and other diseases. Now doctors are turning to them in the fight against COVID-19. Find out what this therapy is, how it works, and who might benefit.

COVID-19 can lead to serious kidney problems. Here’s what you need to know to stay safe.

It’s unlikely, but there have been a few cases of COVID-19 potentially spreading through surfaces. Find out how and when you should clean your home to keep you and your family safe.

Some people with COVID-19 have long-term symptoms that can last weeks or months. You may know it as “long COVID,” but experts call it post-acute sequelae SARS-CoV-2 infection (PASC).

Hydroxychloroquine is a prescription drug used to treat many autoimmune disorders. It was first used to treat malaria. See what other conditions it treats and possible side effects.

Mobile applications and dashboards are critical tools for up-to-date information on the coronavirus and COVID-19. Find out how they can help you -- and what you need to look out for.

Keeping a safe distance between people is important during an outbreak of a disease like COVID-19. Learn about the different ways this is done, including social distancing, quarantine, and isolation.

Look up terms often used in articles about the novel coronavirus, which causes COVID-19.

If people who've been exposed to COVID-19 develop immunity to it, that could be good news for all of us. Find out what health experts know -- and what they don't -- about immunity after a coronavirus infection.

Coronavirus spreads easily from person to person. Find out how you can keep yourself and others safe from infection.

People from all walks of life get COVID-19, the disease caused by the new coronavirus, but some may have greater chances of catching it. A lot depends on the kind of work you do, the conditions you live in, and whether you have other health problems.

COVID-19 may cause gastrointestinal problems such as diarrhea, vomiting, and abdominal pain more often than is commonly known, early research from China shows.

Working from home can help manage the spread of COVID-19. It can also help your health.

Antibody tests can't be used to diagnose the new coronavirus. But they can tell you if you've ever had it. This can help health officials understand and fight the virus. Learn more about these fast blood tests.

Masks are still an important part of your coronavirus protection. Be sure you know when to wear one -- and how.

If you have lupus, you're at a higher risk of catching the new coronavirus. You're also more likely to get seriously sick from it. Find out the best ways to protect yourself.

What to know about Coronavirus and Lung Cancer- Learn how to recognize signs and symptoms, your risks, how to treat, and steps you can take to prepare at home today.

If you have a chronic liver disease, your chances of severe illness from COVID-19 may be higher. But it’s unclear just how much more harm the new coronavirus may pose.

This disease can happen as a result of a COVID-19 (coronavirus) infection. It affects both lungs and can cause trouble breathing, fatigue, and permanent scarring. Find out how it’s diagnosed and treated.

The COVID-19 pandemic is a stressful time for everyone. This is especially true if you have obsessive compulsive disorder. But there are things you can do to manage your OCD.

The new coronavirus disease is spreading rapidly around the world. Because of that, unfortunately, the only safe destination to travel to is your backyard or your balcony.

Mucus is natural. If your body makes too much of it, it might be a sign of a wide range of problems, including acid reflux, allergies, asthma, infections, or other conditions.

Pneumonia is a serious complication of COVID-19. This lung illness may cause severe breathing problems that put you in the hospital. Learn the warning signs, who’s at risk, and steps you can take to prevent infection.

These respiratory infections have a lot in common -- and put kids at risk. Learn how to tell the difference and what to do if you or your child get sick.

If you smoke or vape, you may be more likely to get the coronavirus and to get very sick from it. Learn why it's especially important for you to protect yourself.

Dental offices in some areas are reopening for non-urgent visits and surgeries.