... significant.- The average amount of mold in Dai Xuyen was 4.057,6 ±4.330,1 spores/m3, Hong Thai commune was 14.421,1 ± 15.297,6spores/m3. The difference was statistically significant.- ... by manual methods, the rate ofchange was significantly different, especially for households withseptic wastewater containing up more significantly, the number ofhouseholds has an ostomy increased ... practices- The majority of poultry farmers lack knowledge on diseasesof poultry can infect humans (34,5% of avian influenza that can infect humans) 21 2.3.1. Study DesignStudy design used in accordance...