Partial genetic characterization of peste des petits ruminants virus from goats in northern and eastern Tanzania - Virology Hub

Partial genetic characterization of peste des petits ruminants virus from goats in northern and eastern Tanzania

Transbound Emerg Dis. 2014 Aug;61 Suppl 1:56-62. doi: 10.1111/tbed.12229.

Kgotlele T1, Macha ES, Kasanga CJ, Kusiluka LJ, Karimuribo ED, Van Doorsselaere J, Wensman JJ, Munir M, Misinzo G.
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1
Department of Veterinary Microbiology and Parasitology, Faculty of Veterinary Medicine, Sokoine University of Agriculture, Morogoro, Tanzania.
Abstract

Peste des petits ruminants (PPR) is an acute viral disease of small ruminants. The disease was first reported in Tanzania in 2008 when it was confined to the Northern Zone districts bordering Kenya. The present study was carried out to confirm the presence of PPR virus (PPRV) in Tanzania and to establish their phylogenetic relationships. Samples (oculonasal swabs, tissues and whole blood) were obtained from live goats with clinical presentation suggestive of PPR and goats that died naturally in Ngorongoro (Northern Tanzania) and Mvomero (Eastern Tanzania) districts. The clinical signs observed in goats suspected with PPR included fever, dullness, diarrhea, lacrimation, matting of eye lids, purulent oculonasal discharges, cutaneous nodules, erosions on the soft palate and gums and labored breathing. Post mortem findings included pneumonia, congestion of the intestines, and hemorrhages in lymph nodes associated with the respiratory and gastrointestinal systems. PPRV was detected in 21 out of 71 tested animals using primers targeting the nucleoprotein (N) gene. Phylogenetic analysis, based on the N gene, indicated that PPRV obtained from Northern and Eastern Tanzania clustered with PPRV strains of Lineage III, together with PPRV from Sudan and Ethiopia. The findings of this study indicate that there are active PPRV infections in Northern and Eastern Tanzania, suggesting risks for potential spread of PPR in the rest of Tanzania.

© 2014 The Authors. Transboundary and Emerging Diseases Published by Blackwell Verlag GmbH.

KEYWORDS:

Tanzania; nucleoprotein gene; peste des petits ruminants; peste des petits ruminants virus; phylogeny

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DOI: 10.1111/tbed.12229

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