While most people will clear the virus and get a negative antigen test result within 10 days, some people may keep testing positive for longer than that, experts tell TODAY.com. And if you keep ...

Does ANA-negative lupus exist? More important is that physicians evaluate and treat patients based on symptoms and history rather than a single blood test.

Most people who get COVID today will experience only a mild illness. But some are still at risk of severe illness. Here’s what the virus looks like 5 years on.

With these symptoms, it can be hard to know what’s making you sick, whether it’s cold, flu or COVID-19, without a test confirming the type of infection you have. Is it flu or something else?

During the current "silent" COVID-19 surge, you are at greater risk for getting infected with the SARS-CoV-2. Here's what to do if you test positive for COVID-19 ...

The most common, dominant COVID variant as 2024 comes to a close is XEC and symptoms can mirror previous strains that include runny nose and sore throat.

COVID rebound occurs when a person's symptoms return, or they get a positive test after feeling better for a few days. Learn more here.

According to El Paso Water, the water is still safe to drink and a boil water notice is not needed. What is E.Coli and the symptoms to look out for? According to the Mayo Clinic, Escherichia coli ...

O nce clinical suspicion has been established for primary biliary cholangitis (PBC), the " serologic hallmark " of the ...

Scleroderma-specific antibodies can be used to help with diagnosis and to give insight into the type of disease you may experience.

All blood donors testing ANA-positive on IF, and/or showing any positive ANA fine specificity, in combination with relevant self-reported symptoms of rheumatic disease in the questionnaire were ...