The staff of chp has contacted 269 households in the area of kau wa keng san tsuen and over 500 persons were interviewed with a questionnaire survey . none of them reported having neurological symptoms of je 生防护中心人员接触了九华径新村附近地区的269户居民，并为超过500名人士进行问卷调查，当中没有人出现日本脑炎的病徵。
