| epidemiological features of and public health response to a st. louis encephalitis epidemic in florida, 1990-1. | a st. louis encephalitis (sle) epidemic in florida during 25 weeks in 1990-1, resulted in 222 laboratory-diagnosed cases, an attack rate in the 28 affected counties of 2.25/100,000. disease risk rose with advanced age, to 17.14/100,000 in persons over 80 years, and all 14 fatal cases were in persons over 55 years (median, 70 years). community serosurveys in indian river county, the epicenter of the outbreak (attack rate 21/100,000), showed acute asymptomatic infections in 3.6% of the persons sur ... | 2000 | 11057975 |
| identification of highlands j virus from a florida horse. | a virus, strain 64a-1519, isolated from the brain of a horse dying of encephalitis in florida in 1964, was identified as western equine encephalomyelitis (wee) virus. recently, we used polyclonal and monoclonal immune reagents to identify this isolate by comparing it to 2 strains of wee virus and to highlands j (hj) virus in hemagglutination-inhibition, immunofluorescent antibody, and plaque-reduction neutralization tests. these tests demonstrate that strain 64a-1519 is a strain of hj virus dist ... | 1988 | 2849884 |