Field evaluation of Zerofly®, an insecticide incorporated plastic sheeting against Anopheles dirus (the major malaria vector) for forest rangers in Ea So nature reserve, Dak Lak province, 2021

Abstract

Field evaluation of ZeroFly®, an insecticide incorporated plastic sheeting, about human protection from mosquito biting, safety and acceptance of forest rangers in Ea So nature reserve at Ea So commune, Ea Kar district, Dak Lak province from 5/2021 to 11/2021. This article reported that the field population of An. dirus was highly susceptible to deltamethrin, showing 100% mortality after testing 24 hours. After 6 months of use, human protection
efficacy from mosquito biting of ZeroFly® was 63.77 ± 13.72% with 95% confidence interval. During 6 months using ZeroFly®, 7 people (23.33%) got itchy skin after direct exposure to ZeroFly®. However, these symptoms disappeared naturally as soon as 1 - 2 days after exposure. Others didn’t have any side effects in testing time. All interviewees (100%) believed that ZeroFly® had a good effect on mosquitoes and like using the sheeting.