AP BIOLOGY

Detailed explanation-1: -Acquired Immune Deficiency Syndrome (AIDS) was first recognized as a new disease in 1981 when increasing numbers of young homosexual men succumbed to unusual opportunistic infections and rare malignancies (CDC 1981; Greene 2007).

Detailed explanation-2: -AIDS was first identified in the United States in 1981 . In 1984, 3 years after scientists identified AIDS, they discovered its cause: HIV. Researchers estimate that about 100, 000 to 300, 000 people worldwide lived with HIV pre-1980.

Detailed explanation-3: -On June 5, 1981, the first cases of an illness subsequently defined as acquired immunodeficiency syndrome (AIDS) were reported by health-care providers in California and CDC (1).

Detailed explanation-4: -HIV infection in India was first detected in 1986 among female sex workers in Chennai. Today, with an estimated 5.134 million infections, 2 India is home to the second largest population of people living with HIV and AIDS (PLHA).

Detailed explanation-5: -Originally identified as a “gay disease” because gay men were one of the primary groups afflicted, HIV and the syndrome it causes, Acquired Immune Deficiency Syndrome, were unknown in 1981 but had become household terms and the number one threat to public health by the late 1980s.