| outbreak of japanese encephalitis on the island of saipan, 1990. | during october 1990, an outbreak of encephalitis occurred on saipan. although no virus was isolated, patients seroconverted to japanese encephalitis (je) virus, indicating the first known occurrence of je on us territory since 1947. ten cases occurred among a population of 40,000. the prevalence of antibody to je virus among 234 lifelong saipan residents surveyed after the outbreak was 4.2%. age, household crowding, and lack of air conditioning were risk factors for infection. the seroprevalence ... | 1993 | 8387561 |
| japanese encephalitis on saipan: a survey of suspected mosquito vectors. | an outbreak of japanese encephalitis (je) occurred on saipan, commonwealth of northern mariana islands, in october 1990. adult and larval mosquitoes were collected during september-october 1991 to retrospectively determine the probable mosquito vector(s). virus was not isolated from 119 mosquito pools composed of 7,250 adult specimens as follows: aedes vexans nocturnis (14%), culex tritaeniorhynchus (39%), cx. sitiens group (11%), culex (culex) species (35%), and < 1% each of ae. albopictus, ae. ... | 1993 | 8386909 |