Both the PCR test and antigen test can be used to determine whether you have been infected with the COVID-19 virus. While it takes longer to get results, a PCR test is usually more accurate than an antigen test. Read more: What Is the Difference Between a PCR Nasal Swab and a COVID-19 Antigen Test? Article
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Coronavirus: How COVID-19 Affects Your Body
By now, everyone knows about COVID-19. But do you know how it can affect your body?
Lung and Respiratory: Signs That You May Have Had COVID-19
Could you have already had COVID-19 and not know it? Learn some signs that might indicate just that.
COVID-19 Vaccine Myths and Facts Quiz
The FDA has granted Emergency Use Authorizations for COVID-19 vaccines that have been shown to be safe and effective as...
Coronavirus COVID-19 Prevention: Test Your Medical IQ
What's really the best way to prevent the spread of new coronavirus COVID-19? Should wear a mask or not? Take this quiz to find...
COVID-19 (Coronavirus): Mask Mistakes You're Making Now
You're wearing your mask every time you leave home. But could you be making simple mistakes that make your mask less effective?...
Lung Disease & Respiratory Health: Should I Get a COVID-19 Antibody Test?
If you had COVID-19 symptoms but never got tested, or if you have long-term symptoms that just won't go away, you may want to get...
What Drugs May Fight COVID-19? Drug Trials, Treatments, Vaccines
What drugs could help fight coronavirus COVID-19? Clinical studies are ongoing for antiviral drugs like hydroxychloroquine,...
Related Disease Conditions
How Do You Know if You Have Bronchitis or COVID-19 (Coronavirus)?
What is the difference between bronchitis and COVID-19 (Coronavirus)? Learn how to recognize the symptoms of bronchitis and COVID-19 to help you treat either illness. Bronchitis or “chest cold” refers to the inflammation of the airways (bronchial tubes) in the lungs. Air passes through the lungs within a network of tubules called bronchial tubes. Bronchitis is often associated with persistent, nagging coughs with mucus. Learn more about when a cold becomes bronchitis.
COVID-19 (Coronavirus, 2019-nCoV)
Infection with COVID-19 (2019 novel coronavirus, 2019-nCoV) causes respiratory problems in humans. Transmission of COVID-19 occurs mainly through contact with respiratory sections from an infected person, however, fecal contamination may also spread the virus. Symptoms start off flu-like and progress to coughing, fever, shortness of breath, shaking chills, headache, loss of sense of taste and/or smell, muscle pain, and sore throat. Treatment focuses on supportive care and symptom relief. COVID-19 vaccines are available.
COVID-19 vs. Flu vs. Cold
When you're feeling sick, it can be difficult to distinguish the symptoms of a COVID-19 infection from the symptoms of the common cold or the flu (influenza). While fever is common with the flu and COVID-19, sneezing is typically only associated with colds. Though sore throats are typical with colds, they are uncommon with COVID-19 infections and the flu.
How Long Is COVID-19 Patient Contagious for?
People infected with COVID-19 can still be contagious even when they stop feeling sick, so precautionary measures should continue for at least 2 weeks after symptoms disappear and until the COVID-19 test result is negative. Ideally, patients should be quarantined at home or an institution for 2 weeks after the symptoms completely disappear.
How Do You Know if You Have a Sinus Infection (Sinusitis) or COVID-19 Coronavirus?
Learn how the signs and symptoms of a sinus infection are different from those caused by COVID-19.
How Does COVID-19 Infection Affect the Placenta?
The placenta is the supply chain and waste disposal for the baby in your womb. After studying a few second-trimester and hundreds of third-trimester placentas from women with Covid-19, researchers determined the virus causes significant destruction within this vital organ.
Can I Have COVID-19 and Fungal Infection at the Same Time?
One of those challenges is that bacterial and fungal infections can occur alongside COVID-19, especially in people whose cases are severe enough to put them in the ICU or who have existing comorbidities like diabetes or HIV.
Do Recovered COVID-19 Patients Have Antibodies?
While antibodies have been found in people who recover from COVID-19, it’s unclear how long the immune response lasts. It’s important to continue following public health guidelines to protect yourself from reinfection.
Vaccine-Induced Immune Thrombotic Thrombocytopenia (VITT) and COVID-19
Vaccine-induced immune thrombotic thrombocytopenia (VITT) is an extremely rare side effect of the COVID-19 vaccine and has only been seen with the Johnson & Johnson and AstraZeneca vaccines.
COVID-19 (Coronavirus) Prevention Tips
COVID-19 is a novel coronavirus that spreads from person to person via infected respiratory droplets. The main symptoms of COVID-19 infection include cough, fever, and shortness of breath. Occasionally, people infected with COVID-19 may experience diarrhea, a sore throat, a runny or stuffy nose, or aches and pains. Avoiding contact with infected people, social distancing, not touching your face, frequent hand washing, cleaning, and disinfecting of frequently touched surfaces can help to reduce your risk of contracting the 2019 novel coronavirus.
Can COVID-19 Vaccine Affect Fertility?
The COVID-19 vaccine does not affect fertility.
Does Vitamin D Protect Against COVID-19?
COVID-19 or coronavirus disease (COVID-19) is an infectious disease caused by a newly discovered coronavirus called severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). It manifests as mild to moderate respiratory illness in most people who may not require any special treatment. Certain high-risk groups, such as older people and people with underlying health conditions (chronic respiratory diseases, diabetes, cancer and cardiovascular diseases), are more likely to get seriously ill.
What Should a Pregnant Woman Do If She Has COVID-19?
COVID-19 is a disease caused by a coronavirus. If you are pregnant and you think you have COVID-19, get professional medical help as soon as possible to reduce the risk of medical complications.
Treatment & Diagnosis
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Medications & Supplements
Prevention & Wellness
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