{"title":"接种改良活疫苗后对2型牛病毒性腹泻病毒实验性感染的保护作用。","authors":"K V Brock, P Widel, P Walz, H L Walz","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>The onset of protection after the administration of a modified-live bovine viral diarrhea virus (BVDV) vaccine was determined. Protection was determined following experimental infection with a virulent type-2 BVDV (strain 1373) in cattle vaccinated 3, 5, or 7 days before BVDV infection. Protection, as measured by reduced virus shedding, lack of leukopenia, reduction in viremia, and reduced mortality, was present as early as 3 days after vaccination with a single dose of modified-live BVDV vaccine. Complete protection was obtained in cattle vaccinated 5 or 7 days before BVDV experimental infection.</p>","PeriodicalId":51211,"journal":{"name":"Veterinary Therapeutics","volume":"8 1","pages":"88-96"},"PeriodicalIF":0.0000,"publicationDate":"2007-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Onset of protection from experimental infection with type 2 bovine viral diarrhea virus following vaccination with a modified-live vaccine.\",\"authors\":\"K V Brock, P Widel, P Walz, H L Walz\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>The onset of protection after the administration of a modified-live bovine viral diarrhea virus (BVDV) vaccine was determined. Protection was determined following experimental infection with a virulent type-2 BVDV (strain 1373) in cattle vaccinated 3, 5, or 7 days before BVDV infection. Protection, as measured by reduced virus shedding, lack of leukopenia, reduction in viremia, and reduced mortality, was present as early as 3 days after vaccination with a single dose of modified-live BVDV vaccine. Complete protection was obtained in cattle vaccinated 5 or 7 days before BVDV experimental infection.</p>\",\"PeriodicalId\":51211,\"journal\":{\"name\":\"Veterinary Therapeutics\",\"volume\":\"8 1\",\"pages\":\"88-96\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Veterinary Therapeutics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Veterinary Therapeutics","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Onset of protection from experimental infection with type 2 bovine viral diarrhea virus following vaccination with a modified-live vaccine.
The onset of protection after the administration of a modified-live bovine viral diarrhea virus (BVDV) vaccine was determined. Protection was determined following experimental infection with a virulent type-2 BVDV (strain 1373) in cattle vaccinated 3, 5, or 7 days before BVDV infection. Protection, as measured by reduced virus shedding, lack of leukopenia, reduction in viremia, and reduced mortality, was present as early as 3 days after vaccination with a single dose of modified-live BVDV vaccine. Complete protection was obtained in cattle vaccinated 5 or 7 days before BVDV experimental infection.
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