These measures were made following laboratory tests confirmed positive results for je in a batch of mosquitoes collected by fehd on november 1 at tseung kong wai which is 1 . 5 km south of sha kong chuen where a five - year - old boy was confirmed to have contracted je on the same day 一名居于沙江村的五岁男童在十一月一日证实感染日本脑炎，同日，食环署在沙江村以南一点五公里的祥降围捕获一批成蚊进行化验，化验结果证实该批成蚊带有日本脑炎病毒。
