Rubella antibodies in the blood mean that a person’s immune system has developed a response to the rubella virus. A positive result for rubella immunoglobulin (IgG) antibodies means a person is immune ...

A positive herpes IgG test result means you have or had a herpes infection. The herpes IgG test doesn't detect the virus ...

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 ...

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 ...