AIDS Retrospective Slideshow: A Pictorial Timeline of the HIV/AIDS Pandemic
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AIDS Timeline
AIDS-related illnesses have killed more than 30 million people since 1981. That's half as many deaths as in World War II. And it's not over. An estimated 1.1 million Americans are among the 33 million people worldwide who are now living with HIV, the virus that causes AIDS. How did we get here?
Circa 1900: From Monkeys to Humans
Between 1884 and 1924, somewhere near modern-day Kinshasa in West Central Africa, a hunter kills a chimpanzee. Some of the animal's blood enters the hunter's body, possibly through an open wound. The blood carries a virus harmless to the chimp but lethal to humans: HIV. The virus spreads as colonial cities sprout up, but deaths are blamed on other causes.
1981: First Cases Recognized
In June, the CDC publishes a report from Los Angeles of five young homosexual men with fatal or life-threatening PCP pneumonia. Almost never seen in people with intact immune systems, PCP turns out to be one of the major "opportunistic infections" that kill people with AIDS. On the Fourth of July, the CDC reports that an unusual skin cancer -- Kaposi's sarcoma or KS -- is killing young, previously healthy men in New York City and California.
1983
▪ The CDC warns that AIDS may spread by heterosexual sex and by mother-to-child transmission.
▪ The U.S. Public Health Service asks "members of groups at increased risk for AIDS" to stop donating blood.
▪ The heterosexual spread of AIDS in Africa is confirmed.
▪ Public apprehension grows. False rumors of "household spread" abound. In New York, landlords are reported to evict AIDS patients.
1983
Pasteur Institute researchers Luc Montagnier and Francoise Barre-Sinoussi isolate a virus from the swollen lymph gland of an AIDS patient. They called it lymphadenopathy-associated virus or LAV. Independently, UCSF researcher Jay Levy isolates ARV -- AIDS-related virus. Not until 1986 does everybody agree to call the virus HIV: human immunodeficiency virus.
1984
National Cancer Institute (NCI) researcher Robert Gallo reports isolation of an AIDS virus he calls HTLV-III. Later, it turns out to be LAV from a sample sent by the Montagnier lab -- but not before HHS Secretary Margaret Heckler gives Gallo full credit. Heckler predicts a vaccine in two years but does not specifically fund AIDS research.
1985
▪ First HIV test licensed; blood banks begin screening donations.
▪ First International AIDS Conference is held in Atlanta.
▪ A scathing government report blasts HHS for lack of AIDS funding.
▪ Larry Kramer's AIDS play, "The Normal Heart," shocks New York audiences.
▪ Lauren and Patrick Burk, and their son Dwight, show the impact of HIV/AIDS on the heterosexual community.
1996-1997
A treatment breakthrough: The AIDS drug cocktail -- highly active anti-retroviral therapy or HAART -- can cut HIV viral load to undetectable levels. Hope surges when AIDS researcher David Ho, MD, suggests treatment could eliminate HIV from the body. He's wrong -- it's later found that HIV hides in dormant cells -- but U.S. AIDS deaths decline by more than 40%.
2001-2002
▪ UN Secretary General Kofi Annan proposes the Global Fund to Fight HIV/AIDS, TB and Malaria. The purpose of the Global Fund is to mobilize, manage, and distribute funds to fight HIV/AIDS.
▪Treatment is still totally unavailable to the vast majority of people living with HIV. Only 1% of the 4.1 million sub-Saharan Africans with HIV receive anti-HIV drugs.
▪ AIDS becomes the leading cause of death worldwide for people aged 15 to 59.
2003-2005
▪ There is an HIV outbreak in the California porn industry.
▪ President Bush announces the $15 billion President's Emergency Plan for AIDS Relief. The prevention portion of the plan is criticized for over-emphasis on abstinence. But the plan provides much-needed HIV/AIDS-treatment funds to 15 nations.
2006-2007
▪ HIV treatment is shown to extend life by 24 years, at a cost of $618,900.
▪ Merck's HIV vaccine fails in clinical trials -- the latest in a long line of vaccine failures. However, new candidate vaccines continue to move through the development pipeline.
▪ UNAIDS recommends adult circumcision after it's found to halve HIV transmission from women to men in regions of high prevalence.
2009
UNAIDS calculates that the global spread of AIDS peaked in 1996 at 3.5 million new infections. Deaths peaked in 2004, at 2.2 million. Yet AIDS Day 2009 brings grim figures: 2.7 million new HIV infections and 2 million AIDS deaths in the previous year. More than half of those who need it get no treatment.
Hope for Tomorrow
Researchers have discovered more than a dozen antibodies that target the HIV virus. They hope that these discoveries will lead to a vaccine that offers long-term protection against AIDS. One antibody in particular, PGT 128, is considered among the most potent and promising -- preventing about 70% of viruses from infecting cells in laboratory tests.
Reviewed by Louise Chang, MD on November 17, 2011
IMAGES PROVIDED BY:
(1) © Susan Steinkamp / CORBIS
(2) Nigel J. Dennis / Photo Researchers, Inc.
(3) © Roger Ressmeyer / CORBIS
(4) © Gideon Mendel / CORBIS
(5) Joe Skipper / Associated Press
(6) Associated Press
(7) © Bettmann / CORBIS
(8) Associated Press
(9) Gene Puskar / Associated Press
(10) Associated Press
(11) 2004 Anwar Hussein / Getty Images
(12) © Jeffrey Markowitz / Sygma / Corbis
(13) John Chiasson / Getty Images
(14) Rainier Rentas / Associated Press
(15) Peter Dejong / Associated Press
(16) © Bernard Bisson / Sygma / Corbis
(17) Associated Press
(18) AFP / Getty Images
(19) Associated Press
(20) Boris Heger / Associated Press
(21) ROBYN BECK / AFP / Getty Images
(22) Photo courtesy of Centers for Disease Control and Prevention (CDC)
(23) ROBYN BECK / AFP / Getty Images
(24) Pascal Le Segretain / Getty Image
(25) AFP/Getty Images
(26) Chris Hondros/Getty Images
(27) MedicalRF.com
REFERENCES
AVERT.org: "History of AIDS," "Global HIV and AIDS estimates, end of 2009."
Centers for Disease Control and Prevention Statement on World AIDS Day, Dec. 1, 2009.
Centers for Disease Control and Prevention: "State of the Epidemic," August 2009; "HIV Prevalence Estimate."
DeNoon, D.J. WebMD: "Men's HIV/AIDS Epidemic: It's Back," "U.S. AIDS Epidemic Worse than Thought."
DeNoon, D.J., AIDS Weekly Plus: "Radical Change in AIDS Therapy."
Global Health Council: "About the Global Fund: Background and Purpose."
NIH: "Discovery of HIV."
The Henry J. Kaiser Family Foundation, News release, Nov. 23, 2009.
Kaiser Family Foundation: "The Global HIV/AIDS Timeline."
Morbidity and Mortality Weekly Report, June 5, 2001.
PBS Frontline: "The Age of AIDS."
UNAIDS: "2009 AIDS Epidemic Update," Nov. 24, 2009; "2011 Political Declaration on HIV/AIDS."
World Health Organization: "HIV/AIDS," "Global Summary of the AIDS epidemic 2009."
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