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A mathematical description of the transmission dynamics of the tick-borne infection Cowdria ruminantium in commercial beef enterprises in Zimbabwe was used to consider the potential impact of a candidate vaccine to prevent heartwater. The important characteristics of the vaccine were (1) a delay ...


O'Callaghan, C.J.Medley, G.F.Peter, T.F.Mahan, S.M.Perry, Brian D.[Predicting the effect of vaccination on the transmission dynamics of heartwater (Cowdria ruminantium infection)]Predicting the effect of vaccination on the transmission dynamics of heartwater (Cowdria ruminantium infection)

Analysis of the transmission dynamics of Cowdria ruminantium, the tick-borne rickettsial agent of heartwater in ruminants, requires accurate measures of infection in vector populations. To obtain these, Amblyomma hebraeum ticks were collected at two heartwater-endemic locations in the lowveld and...


Peter, T.F.Perry, Brian D.O'Callaghan, C.J.Medley, G.F.Mlambo, G.Barbet, A.F.Mahan, S.M.[Prevalence of Cowdria ruminantium infection in Amblyomma hebraeum ticks from heartwater-endemic areas of Zimbabwe]Prevalence of Cowdria ruminantium infection in Amblyomma hebraeum ticks from heartwater-endemic areas of Zimbabwe
Perry, Brian D.Deem, S.L.Medley, G.F.Morzaria, S.P.Young, A.S.[The ecology of Theileria parva infections of cattle and the development of endemic stability]The ecology of Theileria parva infections of cattle and the development of endemic stability

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