Hepatitis A blood tests check for immunoglobulin M (IgM) and immunoglobulin G (IgG) antibodies. An IgG-positive and IgM-negative result may suggest immunity to hepatitis A. A doctor may request a ...

The two most popular techniques for quick COVID-19 testing are serology and molecular tests. Serology tests look for the presence of antibodies brought on by the SARS-CoV-2 virus, and molecular ...

A recent study published in Scientific Reports evaluated to what extent symptoms are present before, during, and after a positive SARS-CoV-2 polymerase chain reaction (PCR) test. The study also ...

If you have symptoms but get a negative home test result, you may need to keep taking precautions and test again (and again). By Tara Parker-Pope What does a negative result on a home Covid-19 test ...

Although chlamydia is highly contagious, it does not always transmit to a person’s sexual partners. It is also possible to have a false-negative or false-positive test result. Having more frequent sex ...

Since the winter months, the U.S. has seen a bit of a lull in COVID-19 activity. But with new coronavirus strains emerging ...