Encyclopedia
Epizootic
Epizoetia: simultaneous progressive spread over time and space within a certain region of an infectious disease among a large number of one or several species of agricultural animals, significantly exceeding the usual level of morbidity registered on this territory
Source: "SAFETY IN EMERGENCY SITUATIONS. BIOLOGICAL-SOCIAL EMERGENCY SITUATIONS. TERMS AND DEFINITIONS. GOST R 22.0.04-95"
(Approved by the Decision of the State Standard of Russia dated January 25, 1995 No. 16)