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Home / Equine Research Bank / Am J Trop Med Hyg / Endemic eastern equine encephalomyelitis in Florida: a twent...
The American journal of tropical medicine and hygiene1976; 25(6); 884-890; doi: 10.4269/ajtmh.1976.25.884

Endemic eastern equine encephalomyelitis in Florida: a twenty-year analysis, 1955-1974.

Abstract: Research and surveillance programs relating to the circulation of eastern equine encephalomyelitis (EEE) virus in Florida between 1955 and 1974 are summarized. All available data suggest that EEE virus is 1) endemic in many Florida fresh water swamps and waterways, 2) active in a continuous cycle throughout the year with a peak between May and August, and 3) circulating in Culiseta melanura. It has been isolated also from eight other mosquito species.
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Publication Date: 1976-11-01 PubMed ID: 12669DOI: 10.4269/ajtmh.1976.25.884Google Scholar: Lookup
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Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

The research article discusses the prevalence and patterns of the eastern equine encephalomyelitis (EEE) virus in Florida from 1955 to 1974, with findings suggesting the virus is endemic in many freshwater habitats, active throughout the year with peaks between May and August, and notably present in the mosquito species, Culiseta melanura.

Summary of the Research

  • The paper is a comprehensive study of research and monitoring programs that have been conducted to understand the circulation of the eastern equine encephalomyelitis (EEE) virus in Florida from 1955-1974.
  • The main purpose of the paper is to summarize the results of these programs and provide a better understanding of the EEE virus’ patterns and prevalence in Florida.

Observed Patterns of the EEE Virus in Florida

  • The research finds that EEE virus is endemic, or habitually present, in many of Florida’s fresh water swamps and waterways.
  • The virus is observed to be active in a continuous cycle throughout the year, with a discernable peak of activity between the months of May and August. This is a significant finding, as it provides crucial data on when the virus is most prevalent and can help guide preventative measures during these peak months.

EEE Virus in Mosquito Species

  • The research isolates the EEE virus particularly in Culiseta melanura, a species of mosquito, suggesting this specific species is a frequent carrier and distributor of the virus.
  • In addition, the virus has also been found in eight other mosquito species, indicating a wider range of possible insect vectors for the virus and a potential broader geographical spread.

Implications of the Research

  • Understanding the behavior of the EEE virus, its typical habitats, active periods, and carriers are crucial for effectively controlling its spread.
  • This information would help in the development of timely and targeted health and disease control strategies, including vector control interventions, to reduce the impact of the disease on the human and animal population.

Cite This Article

APA
Bigler WJ, Lassing EB, Buff EE, Prather EC, Beck EC, Hoff GL. (1976). Endemic eastern equine encephalomyelitis in Florida: a twenty-year analysis, 1955-1974. Am J Trop Med Hyg, 25(6), 884-890. https://doi.org/10.4269/ajtmh.1976.25.884

Publication

The American journal of tropical medicine and hygiene
ISSN: 0002-9637
NlmUniqueID: 0370507
Country: United States
Language: English
Volume: 25
Issue: 6
Pages: 884-890

Researcher Affiliations

Bigler, W J
    Lassing, E B
      Buff, E E
        Prather, E C
          Beck, E C
            Hoff, G L

              MeSH Terms

              • Adolescent
              • Adult
              • Animals
              • Antibodies, Viral / analysis
              • Bird Diseases / epidemiology
              • Birds / immunology
              • Chickens / immunology
              • Child
              • Child, Preschool
              • Culicidae / microbiology
              • Encephalitis Virus, Eastern Equine / immunology
              • Encephalitis Virus, Eastern Equine / isolation & purification
              • Encephalomyelitis, Equine / epidemiology
              • Encephalomyelitis, Equine / veterinary
              • Female
              • Florida
              • Horse Diseases / epidemiology
              • Horses
              • Humans
              • Infant
              • Male
              • Mammals / immunology
              • Middle Aged

              Citations

              This article has been cited 28 times.
              1. Langsjoen RM, Key A, Shariatzadeh N, Jackson CR, Mahmood F, Arkun K, Alexandrescu S, Solomon IH, Piantadosi A. Eastern Equine Encephalitis Virus Diversity in Massachusetts Patients, 1938-2020. Am J Trop Med Hyg 2023 Aug 2;109(2):387-396.
                doi: 10.4269/ajtmh.23-0047pubmed: 37339758google scholar: lookup
              2. Hill V, Koch RT, Bialosuknia SM, Ngo K, Zink SD, Koetzner CA, Maffei JG, Dupuis AP, Backenson PB, Oliver J, Bransfield AB, Misencik MJ, Petruff TA, Shepard JJ, Warren JL, Gill MS, Baele G, Vogels CBF, Gallagher G, Burns P, Hentoff A, Smole S, Brown C, Osborne M, Kramer LD, Armstrong PM, Ciota AT, Grubaugh ND. Dynamics of eastern equine encephalitis virus during the 2019 outbreak in the Northeast United States. Curr Biol 2023 Jun 19;33(12):2515-2527.e6.
                doi: 10.1016/j.cub.2023.05.047pubmed: 37295427google scholar: lookup
              3. Hill V, Koch RT, Bialosuknia SM, Ngo K, Zink SD, Koetzner CA, Maffei JG, Dupuis AP, Backenson PB, Oliver J, Bransfield AB, Misencik MJ, Petruff TA, Shepard JJ, Warren JL, Gill MS, Baele G, Vogels CBF, Gallagher G, Burns P, Hentoff A, Smole S, Brown C, Osborne M, Kramer LD, Armstrong PM, Ciota AT, Grubaugh ND. Dynamics of Eastern equine encephalitis virus during the 2019 outbreak in the Northeast United States. medRxiv 2023 Mar 6;.
                doi: 10.1101/2023.03.06.23286851pubmed: 36945576google scholar: lookup
              4. Armstrong PM, Andreadis TG. Ecology and Epidemiology of Eastern Equine Encephalitis Virus in the Northeastern United States: An Historical Perspective. J Med Entomol 2022 Jan 12;59(1):1-13.
                doi: 10.1093/jme/tjab077pubmed: 34734628google scholar: lookup
              5. Beeman SP, Morrison AM, Unnasch TR, Unnasch RS. Ensemble ecological niche modeling of West Nile virus probability in Florida. PLoS One 2021;16(10):e0256868.
                doi: 10.1371/journal.pone.0256868pubmed: 34624026google scholar: lookup
              6. Hughes HR, Velez JO, Davis EH, Laven J, Gould CV, Panella AJ, Lambert AJ, Staples JE, Brault AC. Fatal Human Infection with Evidence of Intrahost Variation of Eastern Equine Encephalitis Virus, Alabama, USA, 2019. Emerg Infect Dis 2021 Jul;27(7):1886-1892.
                doi: 10.3201/eid2707.210315pubmed: 34152960google scholar: lookup
              7. Heberlein-Larson LA, Tan Y, Stark LM, Cannons AC, Shilts MH, Unnasch TR, Das SR. Complex Epidemiological Dynamics of Eastern Equine Encephalitis Virus in Florida. Am J Trop Med Hyg 2019 May;100(5):1266-1274.
                doi: 10.4269/ajtmh.18-0783pubmed: 30860014google scholar: lookup
              8. Soghigian J, Andreadis TG, Molaei G. Population genomics of Culiseta melanura, the principal vector of Eastern equine encephalitis virus in the United States. PLoS Negl Trop Dis 2018 Aug;12(8):e0006698.
                doi: 10.1371/journal.pntd.0006698pubmed: 30118494google scholar: lookup
              9. Tan Y, Lam TT, Heberlein-Larson LA, Smole SC, Auguste AJ, Hennigan S, Halpin RA, Fedorova N, Puri V, Stockwell TB, Shilts MH, Andreadis T, Armstrong PM, Tesh RB, Weaver SC, Unnasch TR, Ciota AT, Kramer LD, Das SR. Large-Scale Complete-Genome Sequencing and Phylodynamic Analysis of Eastern Equine Encephalitis Virus Reveals Source-Sink Transmission Dynamics in the United States. J Virol 2018 Jun 15;92(12).
                doi: 10.1128/JVI.00074-18pubmed: 29618651google scholar: lookup
              10. Blosser EM, Lord CC, Stenn T, Acevedo C, Hassan HK, Reeves LE, Unnasch TR, Burkett-Cadena ND. Environmental Drivers of Seasonal Patterns of Host Utilization by Culiseta melanura (Diptera: Culicidae) in Florida. J Med Entomol 2017 Sep 1;54(5):1365-1374.
                doi: 10.1093/jme/tjx140pubmed: 28874017google scholar: lookup
              11. Burkett-Cadena ND, Bingham AM, Hunt B, Morse G, Unnasch TR. Ecology of Culiseta Melanura and Other Mosquitoes (Diptera: Culicidae) from Walton County, FL, During Winter Period 2013-2014. J Med Entomol 2015 Sep;52(5):1074-82.
                doi: 10.1093/jme/tjv087pubmed: 26336227google scholar: lookup
              12. Saxton-Shaw KD, Ledermann JP, Kenney JL, Berl E, Graham AC, Russo JM, Powers AM, Mutebi JP. The first outbreak of eastern equine encephalitis in Vermont: outbreak description and phylogenetic relationships of the virus isolate. PLoS One 2015;10(6):e0128712.
                doi: 10.1371/journal.pone.0128712pubmed: 26043136google scholar: lookup
              13. Bingham AM, Burkett-Cadena ND, Hassan HK, McClure CJ, Unnasch TR. Field investigations of winter transmission of eastern equine encephalitis virus in Florida. Am J Trop Med Hyg 2014 Oct;91(4):685-93.
                doi: 10.4269/ajtmh.14-0081pubmed: 25070997google scholar: lookup
              14. Kelen PV, Downs JA, Unnasch T, Stark L. A risk index model for predicting eastern equine encephalitis virus transmission to horses in Florida. Appl Geogr 2014 Mar 1;48:79-86.
                doi: 10.1016/j.apgeog.2014.01.012pubmed: 24764607google scholar: lookup
              15. Bingham AM, Graham SP, Burkett-Cadena ND, White GS, Hassan HK, Unnasch TR. Detection of eastern equine encephalomyelitis virus RNA in North American snakes. Am J Trop Med Hyg 2012 Dec;87(6):1140-4.
                doi: 10.4269/ajtmh.2012.12-0257pubmed: 23033405google scholar: lookup
              16. Kelen PT, Downs JA, Burkett-Cadena ND, Ottendorfer CL, Hill K, Sickerman S, Hernandez J, Jinright J, Hunt B, Lusk J, Hoover V, Armstrong K, Unnasch RS, Stark LM, Unnasch TR. Habitat associations of eastern equine encephalitis transmission in Walton County Florida. J Med Entomol 2012 May;49(3):746-56.
                doi: 10.1603/me11224pubmed: 22679885google scholar: lookup
              17. Graham SP, Hassan HK, Chapman T, White G, Guyer C, Unnasch TR. Serosurveillance of eastern equine encephalitis virus in amphibians and reptiles from Alabama, USA. Am J Trop Med Hyg 2012 Mar;86(3):540-4.
                doi: 10.4269/ajtmh.2012.11-0283pubmed: 22403333google scholar: lookup
              18. White G, Ottendorfer C, Graham S, Unnasch TR. Competency of reptiles and amphibians for eastern equine encephalitis virus. Am J Trop Med Hyg 2011 Sep;85(3):421-5.
                doi: 10.4269/ajtmh.2011.11-0006pubmed: 21896798google scholar: lookup
              19. White GS, Pickett BE, Lefkowitz EJ, Johnson AG, Ottendorfer C, Stark LM, Unnasch TR. Phylogenetic analysis of eastern equine encephalitis virus isolates from Florida. Am J Trop Med Hyg 2011 May;84(5):709-17.
                doi: 10.4269/ajtmh.2011.10-0267pubmed: 21540379google scholar: lookup
              20. Oliveira A, Katholi CR, Burkett-Cadena N, Hassan HK, Kristensen S, Unnasch TR. Temporal analysis of feeding patterns of Culex erraticus in central Alabama. Vector Borne Zoonotic Dis 2011 Apr;11(4):413-21.
                doi: 10.1089/vbz.2009.0258pubmed: 21395423google scholar: lookup
              21. Armstrong PM, Andreadis TG. Eastern equine encephalitis virus in mosquitoes and their role as bridge vectors. Emerg Infect Dis 2010 Dec;16(12):1869-74.
                doi: 10.3201/eid1612.100640pubmed: 21122215google scholar: lookup
              22. Jacob BG, Burkett-Cadena ND, Luvall JC, Parcak SH, McClure CJ, Estep LK, Hill GE, Cupp EW, Novak RJ, Unnasch TR. Developing GIS-based eastern equine encephalitis vector-host models in Tuskegee, Alabama. Int J Health Geogr 2010 Feb 24;9:12.
                doi: 10.1186/1476-072X-9-12pubmed: 20181267google scholar: lookup
              23. Unnasch RS, Sprenger T, Katholi CR, Cupp EW, Hill GE, Unnasch TR. A dynamic transmission model of eastern equine encephalitis virus. Ecol Modell 2006 Feb 25;192(3-4):425-440.
                doi: 10.1016/j.ecolmodel.2005.07.011pubmed: 16501661google scholar: lookup
              24. Cupp EW, Klingler K, Hassan HK, Viguers LM, Unnasch TR. Transmission of eastern equine encephalomyelitis virus in central Alabama. Am J Trop Med Hyg 2003 Apr;68(4):495-500.
                pubmed: 12875303
              25. Sellers RF. Weather, host and vector--their interplay in the spread of insect-borne animal virus diseases. J Hyg (Lond) 1980 Aug;85(1):65-102.
                doi: 10.1017/s0022172400027108pubmed: 6131919google scholar: lookup
              26. Sellers RF, Maarouf AR. Trajectory analysis of winds and eastern equine encephalitis in USA, 1980-5. Epidemiol Infect 1990 Apr;104(2):329-43.
                doi: 10.1017/s0950268800059501pubmed: 1969804google scholar: lookup
              27. Aranda-Coello JM, Machain-Williams C, Weber M, Dzul Rosado AR, Simpkins TR, Blitvich BJ. Serologic Surveillance for Orthoflaviviruses and Chikungunya Virus in Bats and Opossums in Chiapas, Mexico. Viruses 2025 Apr 22;17(5).
                doi: 10.3390/v17050590pubmed: 40431603google scholar: lookup
              28. Corrin T, Ackford R, Mascarenhas M, Greig J, Waddell LA. Eastern Equine Encephalitis Virus: A Scoping Review of the Global Evidence. Vector Borne Zoonotic Dis 2021 May;21(5):305-320.
                doi: 10.1089/vbz.2020.2671pubmed: 33332203google scholar: lookup
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