In the first video in our two part series on HIV and AIDS, we explain how scientists figured out what HIV is, when the infection morphs into AIDS, and where they think the virus originated. We're conducting a survey of our viewers! If you have time, please give us feedback: www.surveymonkey.com/r/SciShowSurvey2017 Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: KSam Lutfi, Kevin Knupp, Nicholas Smith, Inerri, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Bella Nash, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Fatima Iqbal, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: www.avert.org/professionals/history-hiv-aids/overview aidsinfo.nih.gov/ www.hiv.gov/hiv-basics/overview/about-hiv-and-aids/what-are-hiv-and-aids www.ncbi.nlm.nih.gov/pmc/articles/PMC3119211/ www.hiv.gov/hiv-basics/overview/history/hiv-and-aids-timeline hab.hrsa.gov/livinghistory/issues/Gay-Men.pdf www.cdc.gov/mmwr/preview/mmwrhtml/june_5.htm img.thebody.com/cdc/pdfs/mmwr04jul81.pdf science.sciencemag.org/content/224/4648/500 www. hingtonpost.com/news/to-your-health/wp/2015/02/24/tracing-the-long-convoluted-history-of-the-aids-epidemic\ www.iflscience.com/health-and-medicine/where-did-hiv-come/ www.stat.wisc.edu/~larget/Genetics629/hiv.pdf www.ncbi.nlm.nih.gov/pmc/articles/PMC3234451/ www.who.int/gho/hiv/en/ www.cdc.gov/mmwr/preview/mmwrhtml/su6004a11.htm www.aidsmap.com/Saliva/page/1322841/ www.ncbi.nlm.nih.gov/pubmed/9989543 www.usp.br/nepaidsabia/images/BIBLIOTECA/_MIGRAR/oralhivtrans.pdf www.cdc.gov/mmwr/preview/mmwrhtml/00001257.htm www.nobelprize.org/nobel_prizes/medicine/laureates/2008/press.html www.hiv.lanl.gov/content/sequence/HelpDocs/subtypes-more.html www.the-scientist.com/?articles.view/articleNo/47352/title/HIV-Spread-from-Haiti-to-NYC-in-1970---Patient-Zero--Not-to-Blame/ journals.plos.org/plosone/article?id=10.1371/journal.pone.0025956 retrovirology.biomedcentral.com/articles/10.1186/1742-4690-6-49 www.ncbi.nlm.nih.gov/pmc/articles/PMC393899/ bedford.io/pdfs/papers/faria-hiv-spread.pdf ---------- Images: commons.wikimedia.org/wiki/File:Aids_Quilt.jpg commons.wikimedia.org/wiki/File:Hiv_gross.png en.wikipedia.org/wiki/T_cell#/media/File:Healthy_Human_T_Cell.jpg commons.wikimedia.org/wiki/File:Pneumocystisjiroveci.jpg en.wikipedia.org/wiki/Pneumocystis_pneumonia#/media/File:PCPxray.jpg