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Centers for Disease Control and Prevention

(Encyclopedia) Centers for Disease Control and Prevention (CDC), agency of the U.S. Public Health Service since 1973, with headquarters in Atlanta; it was established in 1946 as the Communicable…

Henderson, Donald Ainslie

(Encyclopedia) Henderson, Donald Ainslie, 1928–2016, American physician instrumental in eradicating smallpox, b. Lakewood, Ohio, M.D. Univ. of Rochester, 1954, M.P.H. Johns Hopkins, 1960. He joined (…

epidemic

(Encyclopedia) epidemic, outbreak of disease that affects a much greater number of people than is usual for the locality or that spreads to regions where it is ordinarily not present. A disease that…

HIV

(Encyclopedia) HIV, human immunodeficiency virus, either of two closely related retroviruses that invade T-helper lymphocytes and are responsible for AIDS. There are two types of HIV: HIV-1 and HIV-2…

public health

(Encyclopedia) public health, field of medicine and hygiene dealing with the prevention of disease and the promotion of health by government agencies. In the United States, public health authorities…

AIDS, in medicine

(Encyclopedia) AIDS or acquired immunodeficiency syndrome, fatal disease caused by a rapidly mutating retrovirus that attacks the immune system and leaves the victim vulnerable to infections,…

Atlanta

(Encyclopedia) Atlanta Atlanta ətlănˈtə, ăt– , city (2020 pop. 498,715), state capital and seat of Fulton co., NW Ga., on the Chattahoochee R. and Peachtree Creek, near the…

vaccination

(Encyclopedia) vaccination, means of producing immunity against pathogens, such as viruses and bacteria, by the introduction of an killed or weakened microorganism, a harmless piece of a…

sexually transmitted disease

(Encyclopedia) sexually transmitted disease (STD) or venereal disease, term for infections acquired mainly through sexual contact. Five diseases were traditionally known as venereal diseases:…