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 ...

The herpes IgG test is a blood test used to diagnose herpes simplex virus (HSV). This includes HSV-1, the type most commonly linked to cold sores, and HSV-2, the type mainly associated with genital ...

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, ...

Acquired immunological memory is a striking phenomenon. A lethal epidemic sweeps through a naïve population, many die but those who survive are never “attacked twice ― never at least fatally”, as the ...

Increased fucosylated IgG and reduced bisecting GlcNAc during HTNV convalescence may promote rapid recovery from hemorrhagic fever with renal syndrome.