The paper presents calculations and estimations of the economic damage caused by cases of trichinosis in the North Caucasus before and after economic reforms. Before ruble denomination, the economic damage from a case ofsubclinical, mild, moderate, severe, and very severe (and fatal) trichinosis was 246.9, 374.6, 621.6, 882.1, and 63,000 rbl., respectively. After the country's economic transition to market relations, it was 10,688, 12,935, 24,885, 37,596, and 139,592 rbl., respectively, as shown by the 2003 data. Before and after economic reforms, the mean cost of a case of trichinosis was 1,342 and 21,526 rbl., respectively. According to the author's estimates, the damage caused by cases of trichinosis to the economy of the North Caucasus in the period of 1990 to 2004 was over 50 million rbl. Only did the 2001 large-scale outbreak of invasion in the Krymsky District, Krasnodar Territory, cause damage at 7 million rbl.