BIOS255 (Bios255N)

Some Diseases • HIV/AIDS o HIV- Human immunodefiencey virus  A person infected who is infected with HIV may be symptom-free for many years, even while the virus is actively attacking the immune system. It is present in the blood and some body fluids, it is most effectively transmitted (spreads from one person to another) ny actions or practices that involve the exchange of blood or body fluids between people. Transmitted in semen or vaginal fluid during unprotected anal, vaginal, ...