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- Title
Avian Influenza A Virus Infection among Workers at Live Poultry Markets, China, 2013-2016.
- Authors
Mai-Juan Ma; Teng Zhao; Shan-Hui Chen; Xian Xia; Xiao-Xian Yang; Guo-Lin Wang; Li-Qun Fang; Guan-Yuan Ma; Meng-Na Wu; Yan-Hua Qian; Dean, Natalie E.; Yang Yang; Bing Lu; Wu-Chun Cao; Ma, Mai-Juan; Zhao, Teng; Chen, Shan-Hui; Xia, Xian; Yang, Xiao-Xian; Wang, Guo-Lin
- Abstract
We conducted a 3-year longitudinal serologic survey on an open cohort of poultry workers, swine workers, and general population controls to assess avian influenza A virus (AIV) seroprevalence and seroincidence and virologic diversity at live poultry markets (LPMs) in Wuxi City, Jiangsu Province, China. Of 964 poultry workers, 9 (0.93%) were seropositive for subtype H7N9 virus, 18 (1.87%) for H9N2, and 18 (1.87%) for H5N1. Of 468 poultry workers followed longitudinally, 2 (0.43%), 13 (2.78%), and 7 (1.5%) seroconverted, respectively; incidence was 1.27, 8.28, and 4.46/1,000 person-years for H7N9, H9N2, and H5N1 viruses, respectively. Longitudinal surveillance of AIVs at 9 LPMs revealed high co-circulation of H9, H7, and H5 subtypes. We detected AIVs in 726 (23.3%) of 3,121 samples and identified a high diversity (10 subtypes) of new genetic constellations and reassortant viruses. These data suggest that stronger surveillance for AIVs within LPMs and high-risk populations is imperative.
- Subjects
AVIAN influenza A virus; SERODIAGNOSIS; SEROPREVALENCE; DISEASE incidence; VIROLOGY; MICROBIAL diversity; POULTRY farms; DISEASES in agricultural laborers
- Publication
Emerging Infectious Diseases, 2018, Vol 24, Issue 7, p1246
- ISSN
1080-6040
- Publication type
journal article
- DOI
10.3201/eid2407.172059