The First Outbreak of Eastern Equine Encephalitis in Vermont: Outbreak Description and Phylogenetic Relationships of the Virus Isolate |
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| Authors: | Kali D. Saxton-Shaw Jeremy P. Ledermann Joan L. Kenney Erica Berl Alan C. Graham Joel M. Russo Ann M. Powers John-Paul Mutebi |
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| Affiliation: | 1. Centers for Disease Control and Prevention, Division of Vector Borne Infectious Diseases, Fort Collins, Colorado, United States of America.; 2. Vermont Department of Health, Burlington, Vermont, United States of America.; 3. Vermont Agency of Agriculture, Food & Markets, Waterbury, Vermont, United States of America.; 4. United States Department of Agriculture, APHIS VS, Montpelier, Vermont, United States of America.; University of California Davis, UNITED STATES, |
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| Abstract: | The first known outbreak of eastern equine encephalitis (EEE) in Vermont occurred on an emu farm in Rutland County in 2011. The first isolation of EEE virus (EEEV) in Vermont (VT11) was during this outbreak. Phylogenetic analysis revealed that VT11 was most closely related to FL01, a strain from Florida isolated in 2001, which is both geographically and temporally distinct from VT11. EEEV RNA was not detected in any of the 3,905 mosquito specimens tested, and the specific vectors associated with this outbreak are undetermined. |
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