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cholera

(Encyclopedia)cholera kŏlˈərə [key] or Asiatic cholera, acute infectious disease caused by strains of the bacterium Vibrio cholerae that have been infected by bacteriophages. The bacteria, which are found in fe...

hog cholera

(Encyclopedia)hog cholera: see classical swine fever. ...

epidemiology

(Encyclopedia)epidemiology, field of medicine concerned with the study of epidemics, outbreaks of disease that affect large numbers of people. Epidemiologists, using sophisticated statistical analyses, field invest...

Haffkine, Waldemar Mordecai Wolff

(Encyclopedia)Haffkine, Waldemar Mordecai Wolff, 1860–1930, Ukrainian microbiologist, b. Odessa, Russia (now in Ukraine). After studying (1879–83) at the Univ. of Odessa with the microbiologist Ilya Mechnikov, ...

Pettenkofer, Max von

(Encyclopedia)Pettenkofer, Max von mäks fən pĕtˈənkōˌfər [key], 1818–1901, German chemist and hygienist. He studied medicine at Munich. Pettenkofer is considered a founder of epidemiology and is known for...

diarrhea

(Encyclopedia)diarrhea dīərēˈə [key], frequent discharge of watery feces from the intestines, sometimes containing blood and mucus. It can be caused by excessive indulgence in alcohol or other liquids or foods...

housefly

(Encyclopedia)housefly, common name of the fly Musca domestica, found in most parts of the world. The housefly, a scavenger, does not bite living animals but is dangerous because it carries bacteria and protozoans ...

Saint-Arnaud, Armand Jacques Leroy de

(Encyclopedia)Saint-Arnaud, Armand Jacques Leroy de ärmäNˈ zhäk lərwäˈ də săNtärnōˈ [key], 1798?–1854, marshal of France. After serving in the French Foreign Legion in Algeria from 1837, he was one of...

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...

Wassermann, August von

(Encyclopedia)Wassermann, August von wŏsˈərmən, Ger. ouˈgo͝ost fən väsˈərmän [key], 1866–1925, German physician and bacteriologist. In Berlin he was director of the department of experimental therapy a...

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