Venezuelan equine encephalomyelitis,
Information received on 15/02/2020 from Dr. Miguel Angel DePaz, Chief Veterinary Officer, Animal Health Department, Belize Agricultural Health Authority (BAHA), Cayo District, Belize
Report type Immediate notification (Final report)
Date of start of the event 30/10/2019
Date of confirmation of the event 04/12/2019
Report date 15/02/2020
Date submitted to OIE 15/02/2020
Date event resolved 12/02/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 12/12/2014
Manifestation of disease Clinical disease
Causal agent Venezuelan equine encephalomyelitis virus
Nature of diagnosis Laboratory (basic)
This event pertains to a defined zone within the country
New outbreaks (1)
Outbreak 1 (VEECzl01) Little Belize area, Corozal South, Newland, Corozal
Date of start of the outbreak 30/10/2019
Outbreak status Resolved (12/02/2020)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 5 4 4 0 0
Affected population Recently established Mennonite community in forested area in the North of Belize. Horses used as draught animals and for transportation - horse and buggy.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 5 4 4 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Equidae 80.00% 80.00% 100.00% 80.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Source of the outbreak(s) or origin of infection
  • Introduction of new live animals
  • Vectors
Epidemiological comments The Venezuelan equine encephalomyelitis virus is known to circulate in the Northern part of Belize and outbreaks are controlled by routine vaccination. This Newland community was recently established in forested area hence vaccination not yet routinely done.
Control measures
Measures applied
  • Vaccination in response to the outbreak (s)
    Administrative division Species Total Vaccinated Details
    Corozal Equidae 350 Horses in community vaccinated against Venezuelan equine encephalomyelitis
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Quarantine
  • No treatment of affected animals
Measures to be applied
  • No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
National Veterinary Services Laboratory (NVSL) (OIE Reference Laboratory) Equidae Plaque reduction neutralisation test (PRN) 04/12/2019 Positive
Future Reporting
The event is resolved. No more reports will be submitted.
Map of outbreak locations