Medically reviewed by Laura Young, MD Key Takeaways A positive herpes IgG test result means you have or had a herpes ...

A fascinating new preprint discusses the potential for customized serologic testing in individuals who have or have not been vaccinated against the severe acute respiratory syndrome coronavirus 2 ...

The current COVID-19 pandemic is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), a betacoronavirus that causes severe acute respiratory distress in a significant proportion of ...

A positive rubella IgG test indicates immunity to rubella, meaning that the pregnant person and the fetus cannot contract this virus. If a person contracts rubella, also known as German measles, ...

The TSI test measures the level of thyroid-stimulating immunoglobulin (TSI) in your blood. High levels of TSI in the blood can indicate the presence of Graves’ disease, which is an autoimmune disorder ...

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 ...

Residents living in communities near Superfund sites have expressed concern that releases from these facilities affect their health, including adverse effects on their immune systems. We used data ...

Study participants who went on an IgG-based elimination diet--based on a novel blood test--experienced less abdominal pain than those on a sham diet. Michigan Medicine and Cleveland Clinic researchers ...

Antigen-driven selection has been implicated in the pathogenesis of monoclonal gammopathies. Patients with Gaucher’s disease have an increased risk of monoclonal gammopathies. Here we show that the ...