Hiv Virus And Its Effects On Human Populations Essay

1574 Words Mar 11th, 2016 null Page
The CCR5-Δ32 Allele: A Natural Resistance to HIV Virus Human immunodeficiency virus, most commonly known as HIV, is an acquired virus that attacks the immune system of the host and eventually leads to acquired immunodeficiency syndrome otherwise known as AIDS. HIV is a relatively new disease in human populations, AIDS was first observed in homosexual males in 1981 (Herron et al., 2014, p. 2). Later, in 1983, soon after the discovery of AIDS, scientists identified HIV virus as being responsible for AIDS, we now know that AIDS is the last stage of HIV infection (Tortora et al., 2013, p. 545). Since then HIV virus has been wrecking havoc in present day populations across the world. Since its discovery in the early 1980’s it has been estimated that globally at least 24 million individuals have died after acquiring the HIV virus (Huether and McCance, 2012, p. 183).
HIV is a blood-borne pathogen that can be found in secretions of the vagina and rectum, breast milk, and semen (Herron et al., 2014, p. 3). HIV can be transmitted to uninfected individuals by contact with infected blood or bodily fluids, during hetero and homosexual intercourse, by sharing dirty needles, before and during childbirth, and during breastfeeding among other transmission routes. Although there are many different ways to become infected with HIV the most common transmission route is through heterosexual intercourse. In developed and industrialized countries there have been movements to promote safe sex…

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