- HIV is the human immunodeficiency virus, which causes the illness, AIDS.
- HIV is a slow retrovirus, which means that it takes years to show symptoms
- It invades the white blood cells in the blood by literally writing itself backwards into them and reproducing itself inside the cells.
- White cells produce the antibodies that are the body’s main defence against disease
- Without white bloodcelss the body becomes a target for everyday infection.
- Exchange the body fluids during sexual intercourse
- Contaminated needles in intravenous drug use
- Contaminated blood transfusions
- From mother to child during pregnancy
- See a spread of HIV in 1970's first among homosexuals, bisexuals and drug users then later in th general population which in cludes North America, Australia and Western Europe.
- Countries where the spread has been between heterosexual contact which include Sub-saharan Africa with a ratio of women to men being 60:40. In 2005 half a million transmissions was from mum to baby.
- Disease apperead later in 1980's aqns was bought in by travellers and from blood tranfusions in places…
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