The immune system has the ability to defend the body against disease.

Immunization of an individual against the blood group antigens (e.g., Rh antigens) of another individual.

Fertilization that occurs in glass or a test tube.

Occurring or progressing with few or unnoticeable symptoms, so that the individual is unaware of the onset of the disease.…

Administration of a vaccine in order to stimulate the immune system to produce antibodies and, hence, immunity to disease.

Viral infection that causes swollen lymph nodes and a sore throat. Also called glandular fever.

What the medicine is for.

The ingredients in a medicine that provide the “delivery system,” as opposed to those that produce the therapeutic effect. Among…

Partial or complete loss of control of urination. Inability to control the passage of urine, semen, or feces due to…

Medications that suppress the immune response—a desirable effect following organ transplants and in some cases of rheumatoid arthritis and other…