| epidemiological survey of trichinella infection in some areas of henan province. | during 1996-1998 epidemiological survey of domestic trichinella spiralis infection and serological survey on human beings were carried out in yanling, xuchang counties and luohe city. by the artificial digestion method, the positive rates of pork in market and mutton were 1.6% and 0.6% respectively. meat samples of pigs from pig-farms, cats and dogs were all negative for trichinella larvae. trichinellosis infection levels in rats captured in peasant households and places around abattoirs were 0. ... | 2001 | 11484388 |
| the epidemiology of human trichinellosis in china during 1964-1999. | the large foci of trichinellosis are mainly located in the southeastern, the central and northeastern china. by the end of 1999, human cases with trichinellosis have been recorded in 17 out of 34 provinces/autonomous regions/municipals (p/a/m) of china. the seroepidemiological surveys of t. spiralis infection in humans were carried out in nine out of 34 p/a/m. the overall seroprevalence was 5.3%. the prevalence detected by muscle biopsy in henan province was 2.5%. from 1964 to 1999, 548 outbreak ... | 2001 | 11484385 |