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World Health Organization

(Encyclopedia)World Health Organization (WHO), specialized agency of the United Nations, established in 1948, with its headquarters at Geneva. WHO admits all sovereign states (including those not belonging to the U...

Haida

(Encyclopedia)Haida hīˈdə [key], Native North Americans living primarily on the Queen Charlotte Islands, off British Columbia, and on the southern end of the Prince of Wales Island, off Alaska. They speak the Ha...

Wichita, indigenous people of North America

(Encyclopedia)Wichita wĭchˈĭtô [key], Native North Americans whose language belongs to the Caddoan branch of the Hokan-Siouan linguistic stock (see Native American languages). They formerly occupied central Kan...

communicable diseases

(Encyclopedia)communicable diseases, illnesses caused by microorganisms and transmitted from an infected person or animal to another person or animal. Some diseases are passed on by direct or indirect contact with ...

Cree

(Encyclopedia)Cree, Native North Americans whose language belongs to the Algonquian branch of the Algonquian-Wakashan linguistic stock (see Native American languages). They formerly inhabited the area S of Hudson B...

Pawnee

(Encyclopedia)Pawnee pônēˈ [key], Native North Americans whose language belongs to the Caddoan branch of the Hokan-Siouan linguistic stock (see Native American languages). At one time the Pawnee lived in what is...

Mather, Cotton

(Encyclopedia)Mather, Cotton măᵺˈər [key], 1663–1728, American Puritan clergyman and writer, b. Boston, grad. Harvard (B.A., 1678; M.A., 1681); son of Increase Mather and grandson of Richard Mather and of Jo...

virus

(Encyclopedia)CE5 Structure of a tobacco mosaic virus, an RNA-containing virus virus, parasite with a noncellular structure composed mainly of nucleic acid within a protein coat. Most viruses are too small (100...

corticosteroid drug

(Encyclopedia)corticosteroid drug kôrˌtəkōstârˈoid [key], any one of several synthetic or naturally occurring substances with the general chemical structure of steroids. They are used therapeutically to mimic...

Easter Island

(Encyclopedia)Easter Island, Span. Isla de Pascua, Polynesian Rapa Nui, remote island (2020 est. pop. 5,000), 66 sq mi (171 sq km), in the South Pacific, c.2,200 ...

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