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Wagner-Jauregg, Julius

(Encyclopedia)Wagner-Jauregg, Julius yo͞oˈlyo͝os vägˈnər-youˈrĕk [key], 1857–1940, Austrian neurologist and pioneer in fever therapy. He was professor at the Univ. of Vienna from 1893 to 1928. He introduc...

Zika virus

(Encyclopedia)Zika virus zēˈkə [key], single-stranded RNA virus of the genus flavivirus that infects human and primates and causes a disease known as Zika fever or zika. It is primarily transmitted by the bite o...

Reed, Walter

(Encyclopedia)Reed, Walter, 1851–1902, American army surgeon, b. Gloucester co., Va. In 1900 he was sent to Havana as head of an army commission to investigate an outbreak of yellow fever among American soldiers....

rickettsia

(Encyclopedia)rickettsia rĭkĕtˈsēə [key], any of an order (Rickettsiales) of very small microorganisms, many disease-causing, that live in vertebrates and are transmitted by bloodsucking parasitic arthropods s...

Ayllón, Lucas Vásquez de

(Encyclopedia)Ayllón, Lucas Vásquez de lo͞oˈkäs väsˈkāth dā īlyōnˈ [key], c.1475–1526, Spanish explorer. He emigrated in 1502 to Santo Domingo, where he became a public official. In 1521, Francisco Go...

aspirin

(Encyclopedia)aspirin, acetyl derivative of salicylic acid (see salicylate) that is used to lower fever, relieve pain, reduce inflammation, and thin the blood. Common conditions treated with aspirin include headach...

Semmelweis, Ignaz Philipp

(Encyclopedia)Semmelweis, Ignaz Philipp ĭgˈnäts fēˈlĭp zĕmˈəlvīs [key], 1818–65, Hungarian physician. He was a pioneer in employing asepsis. While on the staff of the general hospital in Vienna, he reco...

tularemia

(Encyclopedia)tularemia to͞olərēˈmēə [key] or rabbit fever, acute, infectious disease caused by Francisella tularensis (Pasteurella tularensis). The greatest incidence is among people who handle infected wild...

chikungunya

(Encyclopedia)chikungunya chĭkən-go͞onˈyä [key], viral disease transmitted by the bite of an infected female Aedes mosquito. Symptoms appear after an incubation period of four to eight days and include sudden ...

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