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 ...

Almost all AAV cases were diagnosed in individuals with high pretest probability, including those with renal disease, peripheral neuropathies, or pulmonary infiltrates.

As the nation experiences what many experts believe is the second-largest wave of COVID infections since the pandemic started, many Americans will be checking to make sure they don’t have the ...

Rapid antigen tests for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are effective tools for the diagnosis of acute infection, particularly when used serially. 1 The percentage of ...

(NEXSTAR) – You’ve got the sore throat, runny nose and cough (or any of the other common COVID-19 symptoms right now), but when you swab your nose and take a test, it comes out negative. Is there a ...

Since the winter months, the U.S. has seen a bit of a lull in COVID-19 activity. But with new coronavirus strains emerging recently, cases are ticking up again in some areas of the country. As we gear ...

Dr. Angie DeMichele and Dr. Lynn Henry present the latest rapid recommendation impacting two ASCO guidelines. This update focuses on testing for ESR1 mutations in patients with hormone ...