A cross‐sectional study to quantify the prevalence of avian influenza viruses in poultry at intervention and non‐intervention live bird markets in central Vietnam, 2014

摘要: In Vietnam, live bird markets are found in most populated centres, providing the means by which fresh poultry can be purchased consumers for immediate consumption. Live aggregation points large numbers of poultry, and therefore, it is common a range avian influenza viruses to mixed within as result different types species being brought together from geographical locations. We conducted cross-sectional study seven four districts Thua Thien Hue Province August December, 2014. The aims this were (i) document prevalence (as measured virus isolation); (ii) quantify individual bird-, seller- market-level characteristics that rendered more likely positive at time sale. A questionnaire soliciting details knowledge, attitude practices was administered sellers markets. At same time, swabs faecal samples collected submitted isolation virus. final data set comprised 1,629 birds 83 total 113 isolation; 6.9 (95% CI 5.8-8.3) virus-positive per 100 After adjusting clustering market seller levels, none explanatory variables solicited significantly associated with positivity. proportions variance market, levels 6%, 48% 46%, respectively. conclude emphasis control efforts Vietnam should level opposed level.