Studies on Mosquito Infection with Japanese Encephalitis Virus in 1964 in Nagasaki Prefecture

1964年5月19日より,同10月30日迄の間,継続的には県下南高来郡愛野町で,臨時的には西彼杵郡時津町と諌早市貝津で,夜間畜舎(牛舎,豚舎,鶏舎)で捕集した6種(Culex tritaeniorhyncaus, Culex pipiens, Culex vishnui, Culex biteaniorhynchus, Anopheles sinensis, Armigeres subatus)計, 33,223匹雌蚊201プールより,哺乳マウス脳内接種法によって,33株のArbor virusを分離したIn order to learn mosquito infection with Japanese encephalitis virus in relation to human epidemic of Japanese encephalitis in Nagasaki area, the virus isolation was made from mosquitoes collected in livestock pens mainly in Aino, Togitsu and Kaizu in N