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 ...

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 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, ...

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 ...

Intravenous immunoglobulin (IVIG) is used to replenish immunoglobulins in hypogammaglobulinemia (HG) caused by hematologic malignancies (HM) or their treatment (autologous stem-cell transplantation ...