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 ...

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, ...

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 ...

Patients with chronic lymphocytic leukemia (CLL) and non-Hodgkin lymphomas (NHLs) who received frequent tests for immunoglobulin G (IgG) were less likely to experience severe infections compared with ...

Grifols SA has entered into a partnership with the U.S. Biomedical Advanced Research and Development Authority (BARDA) to test investigational ocular surface immunoglobulin (OSIG) eye drops for their ...