丝蟲病、登革熱和流行性乙型腦炎在我國流行地區的分佈相當廣泛,感染率高低随自然因素之不同而有區别,直接影響廣大勞動人民的健康甚鉅,特别對目前國家過渡時期中進行經濟建設的廣大工人同志,及捍衛國防前线的英勇指戰員們防疫保證,是非常重要的。以往一般臨床醫師们並不十分重視,這是由於它的病死率低甚至於稀少,如登革熱街不及千分之一,絲蟲病病死者更屬罕見;加以輕型病例及早期患者,不易察覺,因此遺漏誤診者,為數不少,致造成輾轉傳播,流行日漸蔓延,對居民的生產力降低,部隊戰鬥力的削弱,實非淺鮮。像在解放戰爭中,我 Filariasis, dengue fever and Japanese encephalitis are widely distributed in epidemic areas of our country, the infection rate varies with the natural factors, which directly affects the health of the vast working people, especially for the current transitional period It is very important that the vast numbers of workers who carry out economic construction work and those who guard the valiant and heroic officers and men on the front of the national defense should give their pledges. In the past, the general clinicians did not pay much attention to this because of its low mortality rate or even rareness, such as less than one in 1000 of dengue fever street and even more rare cases of filariasis. In light cases and early patients, it is not easy to detect, Therefore, the number of misdiagnosed persons has dropped to a large extent, resulting in the spread of the epidemic, the increasing spread of the epidemic, the reduction of the productivity of the residents and the erosion of the combat effectiveness of the armed forces. Like in the liberation war, I