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Volume 28, Number 4—April 2022
Dispatch

Zoonotic Pathogens in Wildlife Traded in Markets for Human Consumption, Laos

Pruksa Nawtaisong1, Matthew T. Robinson1Comments to Author , Khongsy Khammavong, Phonesavanh Milavong, Audrey Rachlin2, Sabine Dittrich3, Audrey Dubot-Pérès, Malavanh Vongsouvath, Paul F. Horwood4, Philippe Dussart5, Watthana Theppangna, Bounlom Douangngeum, Amanda E. Fine, Mathieu Pruvot6, and Paul N. Newton6
Author affiliations: Lao-Oxford-Mahosot Hospital-Wellcome Trust Research Unit, Mahosot Hospital, Vientiane, Laos (P. Nawtaisong, M.T. Robinson, A. Rachlin, S. Dittrich, A. Dubot-Pérès, M. Vongsouvath, P.N. Newton); University of Oxford Centre for Tropical Medicine and Global Health, Oxford, UK (M.T. Robinson, S. Dittrich, A. Dubot-Pérès, P.N. Newton); Wildlife Conservation Society, Bronx, New York, USA (K. Khammavong, P. Milavong, A.E. Fine, M. Pruvot); Unité des Virus Émergents (UVE) Aix-Marseille Univ-IRD 190-Inserm 1207),; Marseille, France (A. Dubot-Pérès); Institut Pasteur du Cambodge, Phnom Penh, Cambodia (P.F. Horwood, P. Dussart); National Animal Health Laboratory, Ministry of Agriculture, Vientiane (W. Theppangna, B. Douangngeum); University of Calgary, Calgary, Alberta, Canada (M. Pruvot)

Main Article

Table 1

Zoonotic pathogens detected and animal species and sample types that tested positive in wildlife collected from trade sites, Laos*

Organism No. positive/no. tested
 Sequencing identity match, %†
Animals Species Samples Sample types
Leptospira spp. 65/324 Callosciurus finlaysonii squirrel, 13/28 72/461 URO, 58/312 NA
C. erythraeus squirrel, 8/56 SPL, 1/3
Paradoxurus hermaphroditus civet, 10/22 KID, 2/6
C. inornatus squirrel, 7/34 LIV, 1/40
Dremomys rufigenis squirrel, 5/35 BLD, 9/85
Menetes berdmorei ground squirrel, 4/29 URI, 1/15
Rhizomys pruinosus rat, 3/21
Arctogalidia trivirgata civet, 2/2
Petaurista philippensis flying squirrel, 1/9
Atherurus macrourus porcupine, 1/1
Belomys pearsonii flying squirrel, 1/12
Eonycteris spelaea bat, 1/3
Hylopetes alboniger flying squirrel, 1/5
H. phayrei flying squirrel, 1/9
H. spadiceus flying squirrel, 1/2
Muntiacus muntjak deer, 1/1
Paguma larvata civet, 1/2
Prionailurus bengalensis cat, 1/3
Rhizomys sumatrensis rat, 1/6
Tupaia belangeri treeshrew, 1/3
Unknown Sciuridae squirrel, 1/2
Rickettsia spp.
 1/41 
 P. philippensis flying squirrel, 1/2
 1/68
 LIV, 1/40
 NA
Rickettsia felis† 2/41  D. rufigenis squirrel, 1/11 2/68 LIV, 2/40 98–100
P. hermaphroditus civet, 1/6
R. typhi†
 1/41 
 D. rufigenis squirrel, 1/11
 1/68
 LIV, 1/40
 93
Anaplasma platys†
 1/41 
 P. hermaphroditus civet, 1/6
 1/68
 KID, 1/6
 98
A. centrale
 1/41 
 M. muntjak deer, 1/1
 5/68
 KID, 1/6
 98.8–99.6 (A. centrale)
A. capra
LIV, 3/40
 98.8–99.6 (A. capra)
A. marginale† SPL, 1/3 98.8 (A. marginale)

*BLD, blood; KID, kidney; LIV, liver; NA, not applicable; SPL, spleen; URI, urine; URO, urogenital swab. †Organism identified by sequencing of PCR products and identity match given in the right-hand column. All nucleotide sequences were submitted to GenBank under accession nos. MW407963–MW407984 and MW411434–MW411439.

Main Article

1These first authors contributed equally to this article.

2Current affiliation: Menzies School of Health Research, Darwin, Northern Territory, Australia.

3Current affiliation: Campus Biotech, Geneva, Switzerland; University of Oxford Centre for Tropical Medicine and Global Health, Oxford, UK.

4Current affiliation: James Cook University, Townsville, Queensland, Australia.

5Current affiliation: Institut Pasteur de Madagascar, Antananarivo, Madagascar.

6These authors contributed equally to this article.

Page created: February 06, 2022
Page updated: March 19, 2022
Page reviewed: March 19, 2022
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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