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.
Causes of HIV. In the UK, most cases of HIV are caused by having sex without a condom with a person who has HIV. A person with HIV can pass the virus to others whether or not they have any symptoms. People with HIV are more infectious in the weeks following infection.HIV treatment significantly reduces the risk of someone with HIV passing it on. person with HIV can pass the virus to others whether or not they have any symptoms. People with HIV are more infectious in the weeks following infection. HIV treatment significantly reduces the risk of someone with HIV passing it on.