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Shedding and Transmission of Baboon Herpesvirus papio 2 (HVP2) in a Breeding Colony

机译:狒狒疱疹乳头状病毒2(HVP2)在繁殖群体中的脱落和传播

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Baboonsinacaptivebreedingcolonyweremonitoredtwiceayear,andnewadditionswerescreenedonarrivalforsheddingofHerpesviruspapio2(HVP2)andserologicreactivitytotheagent.For128individualanimalstestedoveraperiodof1.5years,sheddingofinfectiveviruswasdetectedin13of342swabspecimens(3.8%),eachoftheseincidentsrepresentingsheddingbyadifferentanimal.Amonglong-termcolonyanimals,infectiveviruswasrecoveredononlytwooccasions(5of236swabspecimensfromfiveindividuals).Inallbutoneinstance,animalssheddingviruswereinfants,notadults,andallanimalsweresheddingvirusintheoralcavity.Oneofthesefiveinstanceswasanisolatedcase,butfour(threeinfantsandoneadult)wereclusteredwithinasinglebreedinggroup.MolecularanalysesoftheHVP2isolatesfromthisclusterindicatedthattheylikelyarosefromasinglecommonsource,probablythemotherofoneoftheinfants.Noneof31wild-caughtbaboonsaddedtothecolonyduringthisperiodwerefoundtobesheddinginfectivevirus,despite93.5%ofthembeingseropositiveforHVP2.Incontrast,6of18adultbaboons(allseropositive)transferredintothecolonyfromanotherbreedingcolonywerefoundtobesheddingHVP2eitherorally(3of6)orgenitally(3of6).Inaddition,2of8juvenilebaboonsinthisshipmentwerefoundtobesheddingvirusintheoropharynx.Overall,10of13instancesofHVP2isolationwerefromtheoropharynxratherthanthegenitaltract,and6of13baboonssheddingviruswereinfantsorjuvenilesratherthanadults.Theseresultssuggestthat,althoughvenerealtransmissionofHVP2occursamongadultanimals,oralinfectionofyoung,sexuallyimmaturebaboonsisnotuncommon.
机译:Baboonsinacaptivebreedingcolonyweremonitoredtwiceayear,andnewadditionswerescreenedonarrivalforsheddingofHerpesviruspapio2(HVP2)andserologicreactivitytotheagent.For128individualanimalstestedoveraperiodof1.5years,sheddingofinfectiveviruswasdetectedin13of342swabspecimens(3.8%),eachoftheseincidentsrepresentingsheddingbyadifferentanimal.Amonglong-termcolonyanimals,infectiveviruswasrecoveredononlytwooccasions(5of236swabspecimensfromfiveindividuals).Inallbutoneinstance,animalssheddingviruswereinfants,notadults,andallanimalsweresheddingvirusintheoralcavity.Oneofthesefiveinstanceswasanisolatedcase,butfour(threeinfantsandoneadult)wereclusteredwithinasinglebreedinggroup.MolecularanalysesoftheHVP2isolatesfromthisclusterindicatedthattheylikelyarosefromasinglecommonsource,probablythemotherofoneoftheinfants.Noneof31wild在此期间发现被捕获的附加到殖民地的狒狒被散发出感染性病毒,尽管它们对HVP2呈阳性,但有93.5%呈阳性,相反,有18个成年狒狒(全血清阳性)转移了int othecolonyfromanotherbreedingcolonywerefoundtobesheddingHVP2eitherorally(3of6)orgenitally(3of6).Inaddition,2of8juvenilebaboonsinthisshipmentwerefoundtobesheddingvirusintheoropharynx.Overall,10of13instancesofHVP2isolationwerefromtheoropharynxratherthanthegenitaltract,and6of13baboonssheddingviruswereinfantsorjuvenilesratherthanadults.Theseresultssuggestthat,althoughvenerealtransmissionofHVP2occursamongadultanimals,oralinfectionofyoung,sexuallyimmaturebaboonsisnotuncommon。

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