Investigation of Peste des petits ruminants virus circulation in Uttarakhand, India: a step towards global eradication of PPR by 2030
DOI:
https://doi.org/10.12834/VetIt.2988.21721.3Keywords:
Global eradication, PPR-GCES, Peste des petits ruminants virus, PPR-CP, Prevalence, SeroprevalenceAbstract
This study was conducted to estimate the seroprevalence of Peste des petits ruminants virus (PPRV) and to determine the virus distribution in unvaccinated goats in the Pantnagar region of Uttarakhand state, India. A total of 212 serum samples from goats were collected randomly from various villages in three districts (Udhamsingh Nagar, Nainital, and Almora) of Uttarakhand. Serum samples were tested for anti-PPRV antibodies by a commercially available kit. RNA was extracted from the clinical samples and it was subjected to one-step RT-PCR, followed by virus isolation from positive samples. A total of 41 animals from various villages were found to be seropositive with a prevalence rate of 19.33%. PPR outbreaks were also reported from the Tarai region of Uttarakhand, and detection by
PCR confirmed PPRV in 8 goats. Two representative swab samples were subjected to virus isolation in Vero cells and both samples showed typical cytopathic effects. The present study shows that PPRV is circulating in the Tarai region of Uttarakhand and mass vaccination for PPR must be followed in this region to increase herd immunity to a protective level. To the best of our knowledge, this is the first investigation of PPRV seroprevalence in unvaccinated goats of Uttarakhand, India.
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