trichinellosis in the united states, 1991-1996: declining but not gone.since the u.s. public health service began recording statistics on trichinellosis in 1947, the number of cases reported by state health departments has decreased steadily. in the late 1940s, health departments reported an average of 400 cases and 10-15 deaths each year. from 1991 to 1996, the period covered in this report, three deaths in 230 cases were reported to the centers for disease control and prevention (an average of 38 cases per year), including 14 multiple case outbreaks from 31 state ...19999988325
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