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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 Disease Center. The ...

sea star

(Encyclopedia)sea star, also called starfish, echinoderm of the class Asteroidae, common in tide pools. Sea stars vary in size from under 1⁄2 in. (1.3 cm) to over 3 ft (90 cm) in diameter. They are commonly dull ...

Bellow, Saul

(Encyclopedia)Bellow, Saul, 1915–2005, American novelist, b. Lachine, Que., as Solomon Bellow, grad. Northwestern Univ., 1937. Born of Russian-Jewish parents, he grew up in the slums of Montreal and Chicago, and ...

right whale

(Encyclopedia)right whale, name for whales of the family Balaenidae. They were so named by whalers, who for centuries considered them “the right whales” to hunt, because they float when killed and because they ...

Wexler, Nancy

(Encyclopedia)Wexler, Nancy, 1945–, American geneticist and neuropsychologist, b. Washington, D.C., Ph.D. Univ. of Michigan, 1974. After her mother was diagnosed with Huntington's disease in 1968, her father, the...

Kawasaki, Tomisaku

(Encyclopedia)Kawasaki, Tomisaku, 1925–2020, Japanese pediatrician. He joined (1950–90) what is now the Japanese Red Cross Medical Center, Tokyo, and became director of pediatrics there in 1973. In 1961 he enco...

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 tends to be rest...

Rift Valley fever

(Encyclopedia)Rift Valley fever, acute viral disease that affects domestic livestock and can be transmitted to humans. The disease is most common in E and S Africa, but also occurs widely in sub-Saharan Africa and ...

southern tick-associated rash illness

(Encyclopedia)southern tick-associated rash illness (STARI) or Masters disease, illness characterized by a Lyme disease–like rash that is associated with bite from the Lone Star tick (Amblyomma americanum) rather...

pneumoconiosis

(Encyclopedia)pneumoconiosis no͞oˌməkōˌnēōˈsĭs [key], chronic disease of the lungs. Primarily an occupational disease of miners, sandblasters, and metal grinders, it is a result of repeated inhalation of d...