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Volume 24, Number 2—February 2018
Dispatch

Co-circulation of Influenza A H5, H7, and H9 Viruses and Co-infected Poultry in Live Bird Markets, Cambodia

Paul F. HorwoodComments to Author , Srey Viseth Horm, Annika Suttie, Sopheak Thet, Phalla Y, Sareth Rith, San Sorn, Davun Holl, Sothyra Tum, Sowath Ly, Erik A. Karlsson, Arnaud Tarantola, Philippe Dussart, and Phalla Y
Author affiliations: Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, Queensland, Australia (P.F. Horwood); Institute Pasteur, Phnom Penh, Cambodia (P.F. Horwood, S.V. Horm, A. Suttie, S. Thet, P. Y, S. Rith, S. Ly, A. Tarantola, E.A. Karlsson, P. Dussart); Federation University Australia, Churchill, Victoria (A. Suttie); National Animal Health and Production Research Institute, Cambodian Ministry of Agriculture, Forestry and Fisheries, Phnom Penh (S. Sorn, D. Holl, S. Tum)

Main Article

Table 1

Positivity rate for avian influenza viruses in live bird markets, Cambodia, February–December 2015*

Type/subtype
Market 1, Phnom Penh, no. (%)

Market 2, Takeo, no. (%)

Combined, no. (%)
Chicken, n = 188
Duck, n = 188
CWW, n = 94
Chicken, n = 188
Duck, n = 188
CWW, n = 94
Chicken, n = 376
Duck, n = 376
CWW, n = 188
Influenza A 89 (47.3) 105 (55.9) 86 (91.5) 60 (31.9) 88 (46.8) 89 (94.7) 149 (39.6) 193 (51.3) 175 (93.1)
H5 41 (21.8) 53 (28.2) 71 (75.5) 22 (11.7) 24 (12.8) 73 (77.7) 63 (16.8) 77 (20.5) 144 (76.6)
N1 24 (12.8) 21 (11.2) 48 (51.1) 8 (4.3) 9 (4.8) 62 (66.0) 32 (8.5) 30 (8.0) 110 (58.5)
H7 1 (0.5) 2 (1.1) 1 (1.1) 1 (0.5) 2 (1.1) 3 (3.2) 2 (0.5) 4 (1.1) 4 (2.1)
H9
28 (14.9)
3 (1.6)
54 (57.4)

13 (6.9)
1 (0.5)
22 (23.4)

41 (10.9)
4 (1.1)
76 (40.4)
Co-infections 15 (8.0) 3 (1.6) 44 (46.8) 2 (1.1) 0 20 (21.2) 17 (4.5) 3 (0.8) 64 (34.0)

*By quantitative reverse transcription PCR. n values indicate number of samples. CWW, carcass wash water.

Main Article

Page created: January 17, 2018
Page updated: January 17, 2018
Page reviewed: January 17, 2018
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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