Improving Awareness and Transmission Risk Reduction Related To Japanese Encephalitis in Ayeyarwady Region of Myanmar

Mya MM, Win AYN, Kyaw PP, Thaung S, Oo PM, Lin Z, Oo T, Wai KT and Thant K

Published on: 2023-06-02


The selection is based on the 2012-2017 data of JE cases reported. Ayeyawady Regions was selected. From the Ayeyawady Region, Pantanaw Township that reported JE cases was selected purposively followed by random selection of Kyontonekalay and Kyonthet RHC. From Kyontonekalay RHC, Kyontonekalay and Pathew villages and from Kyonthet RHC, Aque and Kyonthet villages were selected. Kyontonekalay and Kyonthet villages have high density of pig farms, and Pathew and Aque villages have low density of pig farms. Therefore, this study covered two RHC four villages. For entomological surveys, breeding sites and vector density were sought in all four selected villages. Mosquitoes were collected from fixed mosquito catching stations of both field areas using Kanda net (K net) for animal bait, Indoor, outdoor and pig farms catches using light trap catches methods for 4 days during the study periods in each study site. Mosquitoes were caught with WHO sucking tubes from 18:00 to 06:00 hours of the next day. For identification of breeding sites larval surveys were conducted in and around two kilo-meters from the study villages. Collected adult mosquitoes and adult emerged from larva survey were identified by species according to different identification keys. Map out the location of vector breeding site, pig farming site and human settlement areas in the study villages will be recorded using GPS device. Result revealed that main JE vector, Culex tritaeniorhynchus adult and larvae were abundantly collected in both polluted water pools and rice fields in all selected villages. Other species Cx. vishnui, Cx. quinquefasciatus , Mansonia species and some Anopheles species were collected in water pools and polluted creeks and these species of adult mosquitoes were collected in high number by cattle bate and in pig farms collection . High number of pig farms and JE vector Culex tritaeniorhynchus are available in all study areas. Old and new JE history was available in both Kyontonekalay and Kyonthet villages. Therefore the study recommended that VBDC need to distribute LLIN nets and health education to all family members in the villages to protect JE transmission.