The years are indicated on the top going from 1965 to 2007 in increments of six. Below it various infections occurring in different years are indicated using straight line. A diagram of an infectious organism is indicated in the left end. A photograph of a woman holding a hen is indicated at the bottom.
- 1967: Surgeon General William H. Stewart announces, “It is time to close the book on infectious diseases.
- 1975: Lyme disease is first documented in the United States.
- 1976: First outbreak of Ebola occurs in the Democratic Republic of the Congo.
- 1981: First reports surface of illness later identified as AIDS in Los Angeles.
- 1983: HIV is identified as the cause of AIDS.
- 1986: Researchers discover bovine spongiform encephalopathy (BSE), commonly called mad cow disease, in cattle in Britain.
- 1996: The British government admits that humans can contract BSE from eating infected beef.
- 2002: First SARS outbreak occurs in China’s Guangdong province. A photograph of a cow is seen below.
- 2003: The United States reports its first case of mad cow disease in Washington State. CDC reports cases of monkeypox in people who handled infected prairie dogs. Avian Influenza A strain H5N1 spreads through domestic poultry in Asia.
- 2005: CDC reports that 7 .8 percent of tuberculosis cases in the U.S. are resistant to the first-line drug used to treat it.
- 2007: Fourteen countries have reported a total of 351 confirmed human cases of avian influenza (H5N1) and 219 deaths.