A chp spokesman said , " this third case had disease onset on or before june 11 . we are trying to ascertain his local movements outside the district where he was found , to find out where he likely contracted the disease . 生防护中心发言人说:第三宗个案病发日期为六月十一日或之前，我们正尝试确定他的在区外的活动范围，以了解他感染日本脑炎的可能地点。
Disease vector investigation is conducted on a local japanese encephalitis case involving a resident of tin heng estate , tin shui wai . mosquito control measures are strengthened with special attention to areas around pig farms and where migratory birds congregate 本署就天水围天恒一名居民感染日本脑炎的本地个案进行病媒调查，加强防蚊措施，并特别留意养猪场附近地方和候鸟聚居地点。
Noting that while further investigations are ongoing to determine the probable source of infection , the spokesman said no new case has been discovered and the departments concerned have taken comprehensive measures to reduce the risk of je in the area 发言人表示生防护中心正进行深入调查，以确定此宗日本脑炎个案的可能源头，而现时未有发现新个案，有关部门亦已采取全面措施，以减低该地区再次出现日本脑炎的风险。
