There are more than hundred english-english dictionaries in the world. According to merriam-websters website: Webster's Third New International Dictionary, Unabridged, together with its 1993 Addenda Section, includes some 470,000 entries.
Most commonly, HIV infection is spread by having sex with an infected partner. The virus can enter the body through the lining of the vagina, vulva, penis, rectum, or mouth during sex. Although vaginal and anal intercourse are the primary risk factors, oral sex transmission is also possible.
HIV is the virus that causes AIDS. AIDS is a series of opportunistic infections that occur when the immune system is weakened by the HIV virus.HIV is a blood-borne pathogen and is transmitted through the exchange of bodily fluids, specifically, blood and semen.he most common routes of transmission are unprotected sex with an infected person and exposure to infected blood and blood products, where the blood comes in contact with broken skin. There is no cure for HIV or AIDS, so prevention is the best course of action.