[surveillance on severe acute respiratory syndrome associated coronavirus in animals at a live animal market of guangzhou in 2004].to study the prevalence of severe acute respiratory syndrome coronavirus (sars-cov) like virus in animals at a live animal market of guanzhou in 2004 before and after culling of wild animal action taken by the local authority, in order to predict the re-emerging of sars from animal originals in this region.200515921605
prevalence of toxoplasma gondii infection in man and animals in guangdong, peoples republic of china.tissue and serum samples from animals and man in guangdong province of the peoples republic of china were examined for toxoplasma gondii infection. tissues from 519 swine, 576 rodents, 84 people, one cat and two dogs were bioassayed in mice. t. gondii was isolated from 13 pools of swine tissues, but not from any other hosts. serum samples from animals and man were examined at 1:64 dilution in the indirect hemagglutination test. antibodies to t. gondii were found in 10.4% of 816 pigs, 0.9% of 955 ...19902316181
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