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  2. HIV/AIDS in North America - Wikipedia

    en.wikipedia.org/wiki/HIV/AIDS_in_North_America

    As of 2016, it is estimated that there are 1.5 million adults and children living with HIV/AIDS in North America, excluding Central America and the Caribbean. [ 1 ] 70,000 adults and children are newly infected every year, and the overall adult prevalence [ clarification needed ] is 0.5%.

  3. HIV/AIDS in the United States - Wikipedia

    en.wikipedia.org/wiki/HIV/AIDS_in_the_United_States

    On January 4, 2010, the United States Department of Health and Human Services and Centers for Disease Control and Prevention removed HIV infection from the list of "communicable diseases of public health significance," due to its not being spread by casual contact, air, food or water, and removed HIV status as a factor to be considered in the ...

  4. Cross-species transmission - Wikipedia

    en.wikipedia.org/wiki/Cross-species_transmission

    Cross-species transmission is the most significant cause of disease emergence in humans and other species. [citation needed] Wildlife zoonotic diseases of microbial origin are also the most common group of human emerging diseases, and CST between wildlife and livestock has appreciable economic impacts in agriculture by reducing livestock productivity and imposing export restrictions. [2]

  5. Forty years ago, AIDS was a death sentence. Not today, but ...

    www.aol.com/forty-years-ago-aids-death-100416506...

    Opinion: In the U.S., we are fortunate to have easy access to free testing and medications to prevent and combat HIV-AIDS. Forty years ago, AIDS was a death sentence. Not today, but HIV is still a ...

  6. History of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/History_of_HIV/AIDS

    The results of a 2008 phylogenetics study support the later work and indicate that HIV evolves "fairly reliably". [17] [18] Further research was hindered due to the primates being critically endangered. Sample analyses resulted in little data due to the rarity of experimental material.

  7. Host switch - Wikipedia

    en.wikipedia.org/wiki/Host_switch

    In parasitology and epidemiology, a host switch (or host shift) is an evolutionary change of the host specificity of a parasite or pathogen.. For example, the human immunodeficiency virus used to infect and circulate in non-human primates in West-central Africa, but switched to humans in the early 20th century.

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