| flavivirus infections in chiang mai area, thailand, in 1982. | infection by je virus still constitutes major cause of encephalitis in chiang mai area, although some cases of possible dengue encephalopathy were observed. in spite of many apparent encephalitis cases, infection of vector mosquitoes by je virus was not demonstrated. virus isolation from hospitalized patients showed that the principal type of dengue virus circulating in chiang mai in 1982 was type 1 virus. seroepidemiological survey on healthy humans indicated that the northern part of chiang ma ... | 1983 | 6324386 |