Risk factors for H9N2 contamination in live bird markets of the Greater Jakarta, Indonesia

Low Pathogenicity Avian Influenza virus subtype H9N2 causes decreased egg production and two of the four defined poultry lineages (G1 Y280) have been associated with human infections. The high positive test results for in LBMs Greater Jakarta area 2021 can be a source transmission surrounding area. This study aims to determine prevalence risk factors that play role contamination obtain multivariate analysis model.<strong> </strong>A cross-sectional was conducted on 87 vendors 124 broiler chickens from 44 randomly selected Tangerang City, North Jakarta, Bekasi City. Samples were taken as equipment swabs at stall carcass vendors, tracheal swabs, cloacal chicken. used Real-Time Reverse Transcription Polymerase Chain Reaction. Data performed using univariate, bivariate, logistic regression.<strong> </strong>The LBM level 2022 77.27% (95% CI, α 7%), while vendor 54.02% 5%). significant p-value<0.05 include swab samples, both use sink. model Logit P (H9N2=1 | x) = 0.29924 - 2.42176PPE + 1.58691carcass factor contributing increase is sinks, PPE one reduces contamination.