Detection and surveillance of west nile virus infection in southern Xinjiang, China, 2012 / 中华实验和临床病毒学杂志

ABSTRACT

Objective@#To investigate the west nile virus (WNV) infection in Xinjiang, China.@*Methods@#Serum samples were collected from patients with fever and chicken in southern Xinjiang, 2012. The presence of WNV-specific immunoglobulin M (IgM) antibodies and neutralizing antibodies was examined through enzyme-linked immunosorbent assay (ELISA) and plaque reduction neutraization test (PRNT90).@*Results@#A total of 1 712 serum samples of outpatients and inpatients were collected in 8 counties in southern Xinjiang. As a result , 22 samples were positive for WNV IgM antibody and 48 samples were positive for WNV neutralization antibody, among which 21 WNV IgM antibody positive samples and 42 WNV neutralization antibody positive samples were from Jiashi county. Of 383 chicken serum samples collected in 4 counties in southern Xinjiang, only 28 samples were positive for WNV neutralizing antibody, interestingly, all positive chicken serum samples were collected from Jiashi county.@*Conclusions@#This study revealed that WNV infection occurred in human and poultry in southern Xinjiang, 2012, mainly in Jiashi county.