Atypical bovine spongiform encephalopathies, France, 2001-2007.
Résumé
In France, through exhaustive active surveillance, approximately 17.1 million adult cattle were tested for bovine spongiform encephalopathy from July 2001 through July 2007; approximately 3.6 million were >8 years of age. Our retrospective Western blot study of all 645 confirmed cases found that 7 were H-type and 6 were L-type.
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