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Volume 26, Number 1—January 2020
Research

Outbreak of Peste des Petits Ruminants among Critically Endangered Mongolian Saiga and Other Wild Ungulates, Mongolia, 2016–2017

Mathieu PruvotComments to Author , Amanda E. Fine, Charlotte Hollinger, Samantha Strindberg, Batchuluun Damdinjav, Bayarbaatar Buuveibaatar, Buyanaa Chimeddorj, Gantulga Bayandonoi, Bodisaikhan Khishgee, Batkhuyag Sandag, Jamiyankhuu Narmandakh, Tserenjav Jargalsaikhan, Batzorig Bataa, Denise McAloose, Munkhduuren Shatar, Ganzorig Basan, Mana Mahapatra, Muni Selvaraj, Satya Parida, Felix Njeumi, Richard Kock, and Enkhtuvshin Shiilegdamba
Author affiliations: Wildlife Conservation Society, Bronx, New York, USA (M. Pruvot, A.E. Fine, C. Hollinger, S. Strindberg, D. McAloose); Wildlife Conservation Society Mongolia Program, Ulaanbaatar, Mongolia (B. Damdinjav, B. Buuveibaatar, E. Shiilegdamba); World Wide Fund for Nature Mongolia Program, Ulaanbaatar (B. Chimeddorj, G. Bayandonoi); Ministry of Food, Agriculture and Light Industry, Ulaanbaatar (B. Khishgee, B. Sandag); Ministry of Nature, Environment and Tourism, Ulaanbaatar (J. Narmandakh); State Central Veterinary Laboratory, Ulaanbaatar (T. Jargalsaikhan, B. Bataa, M. Shatar, G. Basan); The Pirbright Institute, Surrey, UK (M. Mahapatra, M. Selvaraj, S. Parida); Food and Agriculture Organization of the United Nations, Rome, Italy (F. Njeumi); Royal Veterinary College, London, UK (R. Kock)

Main Article

Table 1

Major histologic lesions in animals infected with peste des petits ruminants and concurrent diseases, Mongolia, 2016–2017*

Lesion or disease
 Animal ID nos.
Mongolian saiga
Goitered gazelle
Ibex
4
 5, 8†
 9
 10
 11
 17
 13, 15†
 18
 25
 20
PPRV-specific lesions
Oro/pharyngeal mucosa: 
erosion, epithelial necrosis, 
multifocal, acute (stomatitis, 
necrotizing) +++, S+ +++, S+ +, S+ – – +++, S+, 
I+ (IN) – +, S+ NE NE
Liver: degeneration and 
necrosis, hepatocytes, 
multifocal, random, acute 
(hepatitis, necrotizing) NE NE ++, S+, I+++ (IC and IN) ++ + ++ NE ++, S+, I+ (IN) ++, S+, I+ (IN>IC) NE
Liver: degeneration and 
necrosis, biliary epithelium, 
bile ductules, multifocal, 
acute NE NE +, I++ (IC>IN) – – – NE + ++
I+ (IN>IC) NE
Liver: cholestasis, 
canalicular, acute NE NE + + – – NE – – NE
Liver: hyperplasia, bile 
ductules, chronic NE NE + ++ – – NE – – NE
Lung: degeneration and 
necrosis, bronchiolar 
epithelium, multifocal, acute NE NE +, S+, I+(IN and IC) – – – NE – ++
S+
I++ (IN and IC) NE
Intestine: necrosis, crypt
epithelium, multifocal, acute
 NE
 NE
 +, I+ (IC>IN)
 –/PMA
 –
 –/PMA
 NE
–/PMA
 –/PMA
NE
Concurrent diseases NA NA NA NA Proliferative stomatitis, parapoxvirus suspected NA NA NA Bacterial sepsis with bacteremia NA

*I, presence of viral inclusion bodies; IC, intracytoplasmic inclusion; ID, identification; IN, intranuclear inclusion; NA, not applicable; NE, not examined; PMA, assessment hindered by postmortem autolysis; S, presence of syncytia; +, mildly severe; ++, moderately severe; +++, severe; –, lesion not found.
†Tissue samples pooled.

Main Article

Page created: December 18, 2019
Page updated: December 18, 2019
Page reviewed: December 18, 2019
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