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)]
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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]
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Prevalence of Cowdria ruminantium infection in Amblyomma
hebraeum ticks from heartwater-endemic areas of Zimbabwe
Endemic stability is an epidemiological state of a population, in which clinical disease is scarce despite high level of infection. The notion was developed to describe patterns of tick-borne disease in cattle. However, we propose a general, nodes of endemic stability that is applicable to a broa...
Coleman, P.G.
,
Perry, Brian D.
,
Woolhouse, Mark E.J.
,
[Endemic stability - a veterinary idea applied to human public health]
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Endemic stability - a veterinary idea applied to human public health
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]
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The ecology of Theileria parva infections of cattle and the development of endemic stability