She worked with HIV-positive patients while earning her master's and doctoral degrees in nursing, and watched as a few mysterious AIDS cases in the United States turned into a global problem.
In 2003, according to the Centers for Disease Control, African Americans made up less than 13 percent of the total U.S. population, but accounted for half of all estimated AIDS cases.
The Arab States have seen a steady yearly increase in the number of reported cases - there are now an estimated 550, 000 HIV and AIDS cases in the region compared to around 400, 000 cases in the year 2000.
Since South Africa has the world's largest number of AIDS cases, and one of its highest infection rates, this was bad news, as was Mr Mbeki's health minister, Manto Tshabalala-Msimang , who was appointed mainly because she agreed with him, and recommended beetroot and garlic as treatment for the disease.
But another doctor, Duan Qing, explained at the briefing that would be impossible for there to be any such cases of AIDS, Hepatitis B, Hepatitis C, or syphilis because there is a lengthy incubation period.
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In 1981, the Centers for Disease Control and Prevention (CDC) reported the first cases of AIDS. Since that initial discovery, the U.S. government has led a global response based on scientific research sponsored by the National Institutes of Health (NIH) and other U.S. government agencies.
Winston Njongonkulu Ndugane of South Africa urged Clinton and other world leaders to do more, particularly in helping bring affordable AIDS drugs to Africa, where 25.3 million people live with HIV or AIDS out of 36.1 million cases worldwide, according to a U.N. report.
In 1998, there were 854 reported cases, up from 111 in 1995 (some 300 Singaporeans have died from AIDS).
Twenty-five years ago tomorrow, doctors in Los Angeles first reported cases of what turned out to be the global catastrophe we now know as AIDS. Since then, 55 million people have been infected with the AIDS virus, and it kills around 8, 000 people a day.
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