Serological evidence of H9N2 avian influenza virus exposure among poultry workers from Fars province of Iran

Virology Journal
A HeidariA Piccirillo

Abstract

Since the 1990s, influenza A viruses of the H9N2 subtype have been causing infections in the poultry population around the globe. This influenza subtype is widely circulating in poultry and human cases of AI H9N2 have been sporadically reported in countries where this virus is endemic in domestic birds. The wide circulation of H9N2 viruses throughout Europe and Asia along with their ability to cause direct infection in mammals and humans, raises public health concerns. H9N2 AI was reported for the first time in Iran in 1998 and at present it is endemic in poultry. This study was carried out to evaluate the exposure to H9N2 AI viruses among poultry workers from the Fars province. 100 poultry workers and 100 healthy individuals with no professional exposure to poultry took part in this study. Serum samples were tested for antibodies against two distinct H9N2 avian influenza viruses, which showed different phylogenetic clustering and important molecular differences, such as at the amino acid (aa) position 226 (Q/L) (H3 numbering), using haemagglutination inhibition (HI) and microneutralization (MN) assays. Results showed that 17 % of the poultry workers were positive for the A/chicken/Iran/10VIR/854-5/2008 virus in MN test and 12 ...Continue Reading

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Citations

Jul 22, 2017·Epidemiology and Health·Mahin GhafariAmin Doosti-Irani
Jan 10, 2018·The Clinical Respiratory Journal·Mohsen MoghoofeiNilofar Khodabandehlou
Feb 8, 2020·Influenza and Other Respiratory Viruses·Mamoona ChaudhryMuhammad Sajid Hasni
Nov 1, 2017·Transboundary and Emerging Diseases·K Wei, Y Li
Oct 15, 2018·EFSA Journal·UNKNOWN European Food Safety Authority (EFSA)Frank Verdonck
Sep 27, 2018·Veterinary Sciences·Elizabeth A Pusch, David L Suarez
Aug 28, 2021·International Journal of Molecular Sciences·Hien Thi TuongSeon-Ju Yeo

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Methods Mentioned

BETA
blood collection
ELISA

Software Mentioned

MEGA

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