Peste des petits ruminants (PPR): Disease appraisal with global and Pakistan perspective
2011
Muhammad, Abubakar | Khan, Haider Ali | Arshed, Muhammad Javed | Hussain, Manzoor | Ātish, Qurbān
Peste des petits ruminants (PPR), is a highly contagious viral disease affecting domestic and wild small ruminants. It is in the list of animal diseases to be notified to the World Organization for Animal Health (Office International des Epizooties, OIE). Because of the high magnitude of importance of sheep and goats for the poor and landless farmers, the control of disease, which has a negative impact on their productions, is aimed at poverty alleviation. A single injection of live attenuated monovalent vaccine (Nig/75/1) can induce protective immunity for at least the economic life of the animals, however vaccine efficacy only holds if the vaccination is done before exposure and when the animals at sub-clinical level of infection. In Pakistan, though published reports on existence of PPR in the country are few but findings on clinical signs and course of the disease are consistent with the internationally published reports on PPR elsewhere and the neighboring countries. The limited reports of incidence of PPR from few places/provinces do not exclude the possibility of presence of infection in other parts/province of the country. Therefore, the epidemiology, pathogenicity, host susceptibility/resistance and molecular nature of PPR virus have become multifaceted than considered formerly. It is anticipated that patent PPR vaccines and sophisticated diagnostic tests that differentiate infected and vaccinated animals might improve the diagnostic and epidemiological capabilities.
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