short communication: Peste des petits ruminants vaccine (Nigerian strain 75/1) confers protection for at least three years in sheep and goats

acKNoWleDGeMeNts The authors acknowledge the assistance of FAO projects GCP/PAK/127/USA “Progressive Control of Peste des Petits Ruminants in Pakistan” and GTFS/INT/907/ITA “Controlling Transboundary Animal Diseases in Central Asian Countries” in undertaking this study. 360 to PPRV were determined using competitive enzyme-linked immunosorbent assay (c-ELISA). PPR virus shedding from challenged animals (control and vaccinated) was studied by examination of oral, ocular and nasal swabs and faecal material using RT-PCR for ten days post-challenge.