All definitions were retrieved from Dictionary.com

Diarrhea -an intestinal disorder characterized by abnormal frequency and fluidity of fecal evacuations

E:

Encephalitis -inflammation of the substance of the brain

Epidemic -a temporary prevalence of a disease

Epidermis -the outer, nonvascular, nonsensitive layer of the skin, covering the true skin or corium

F:

Fatigue -weariness from bodily or mental exertion

Fetus -the unborn young from the end of the eighth week after conception to the moment of birth, as distinguished from the earlier embryo

Fever -an abnormally high body temperature

Flu -(influenza) also called grippe, is a highly contagious viral disease that mainly affects the respiratory tract

G:

Gastrointestinal weaknesses -weaknesses to the digestive system

Germ -a very tiny animal or plant that causes disease

Guillain-Barre Syndrome -an uncommon, usually self-limited form of polyneuritis, occurring after a viral illness or immunization and manifested by loss of muscle strength, loss of or altered sensation and sometimes paralysis

H:

HIV -(Human Immunodeficiency Virus) the virus that causes acquired immune deficiency syndrome (AIDS); it replicates in and kills the helper T cells

Human Immunodeficiency Virus -(HIV) the virus that causes acquired immune deficiency syndrome (AIDS); it replicates in and kills the helper T cells

I:

Ibuprofen -a nonsteroidal anti-inflammatory and analgesic medicine used to relieve the pain of arthritis and as an antipyretic

Influenza -(flu) also called grippe, is a highly contagious viral disease that mainly affects the respiratory tract