‌Your thyroid is a small butterfly-shaped organ in the front of your neck. It has a lot of important roles, including making hormones that control your metabolism and help your body grow and develop.

An antineutrophil cytoplasmic antibodies (ANCA) test is a blood test that checks for proteins your immune system makes to fight germs. This test can help your doctor diagnose autoimmune diseases like ...

WEST PALM BEACH, Fla. — If you've been infected with COVID-19 or got the vaccine, you likely have antibodies. But what does that really tell you? Waking up every day in a pandemic for Leigh Ann David ...

I thought I might have had a mild case of COVID-19. In late March, about three weeks after my family hunkered down at home, I felt a pressure, a heaviness, on my chest. I didn’t have a fever or a ...

The Food and Drug Administration has granted emergency authorization to a dozen coronavirus antibody tests, and more than 200 others are currently on the market. One authorized company, Roche, claims ...

SAN FRANCISCO -- There has been a lot of talk about testing for the coronavirus, but you may not entirely understand what the different tests are for. The coronavirus makes some people sick, some ...

Of 3,300 people in California county up to 4% found to have been infected. A critical question in the path towards the future is how many people actually have protective novel coronavirus antibodies ...

Since late last year, federal officials have been asking, practically begging people to get booster doses of the COVID-19 vaccine. But more than half of Americans have ignored the request even for a ...

Antibody tests are big news right now. Many people consider these blood tests key to "reopening the economy" and easing back on social distancing, sending us back to work and to some semblance of a ...

The road to ending social distancing is less contentious than it may seem. Many priorities are clear: Invest in comprehensive testing for the coronavirus, in effectively treating the disease, and in ...

Salvador Perez got really sick in April. He's 53 and spent weeks isolated in his room in his family's Chicago apartment, suffering through burning fevers, shivering chills, intense chest pain and ...