Human Immunodeficiency Virus ( HIV )
Virus is originated from monkeys
 
 
 
Presence of HIV antibody (Anti-HIV) in the body
Window period: the HIV antibody will be produced from 2 weeks to 6 months after the virus entered the body
CD4 cell count < 200count/cc
Presence of one of the AIDS-Definning Opportunistic Infections?
Pneumocystis carinii pneumonia (PCP)
Candidia esophagitis
Herpes simplex virus
Kaposis’sarocoma
AIDS dementia
Cytomegalovirus infection
Oral Hairy Leukoplakia (HL)