Low pathogenic avian influenza (poultry),
Dominican Republic
Information received on 08/02/2018 from Dra Nimia Lissette Gómez Rodríguez, Directora, Dirección de Sanidad Animal Dirección General de Ganadería (DIGEGA), Ministerio de Agricultura, Santo Domingo, Dominican Republic
Summary
Report type Follow-up report No. 2
Date of start of the event 30/09/2017
Date of confirmation of the event 18/10/2017
Report date 08/02/2018
Date submitted to OIE 08/02/2018
Reason for notification Recurrence of a listed disease
Date of previous occurrence 26/02/2009
Manifestation of disease Clinical disease
Causal agent Low pathogenic avian influenza virus
Serotype H5N2
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (24/10/2017)
Follow-up report No. 1 (13/12/2017)
Follow-up report No. 2 (08/02/2018)
New outbreaks (4)
Outbreak 1 ( IALP-05-17) La Vega, Cutupú, Cutupú, Rio Verde Arriba, La Vega
Date of start of the outbreak 11/12/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 35000 43 43 0 0
Affected population Layer hens in production
Outbreak 2 Salcedo/Hermanas Mirabal, Jayabo, Salcedo, Salcedo
Date of start of the outbreak 09/01/2018
Outbreak status Resolved (26/01/2018)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 11500 785 785 10715 0
Affected population Layer hens in two sheds
Outbreak 3 Salcedo/Hermanas Mirabal, Jayabo, Salcedo, Salcedo
Date of start of the outbreak 09/01/2018
Outbreak status Resolved (31/01/2018)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 32400 0 32400 0
Affected population Layer hens in production
Outbreak 4 La Vega, Rio Verde Arriba, Arroyo Hondo, Rio Verde Arriba, La Vega
Date of start of the outbreak 10/01/2018
Outbreak status Resolved (02/02/2018)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 26 6 0 26 0
Affected population Backyard hens
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 78926 834 ** 828 43141 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds ** 1.05% ** 55.71%
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments On-going outbreaks are under quarantine measures and birds will be killed and disposed of. Surveillance measures are still applied in the focal area (1 km) and in the perifocal area (3-5 km), including screening and epidemiological investigation.
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Screening
  • Quarantine
  • Official destruction of animal products
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Ante and post-mortem inspections
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Disinfection
  • Process to inactivate the pathogenic agent in products or by-products
Diagnostic test results
Laboratory name and type Species Test Test date Result
Central veterinary laboratory (National laboratory) Birds haemagglutination inhibition test (HIT) 11/01/2018 Positive
Central veterinary laboratory (National laboratory) Birds haemagglutination inhibition test (HIT) 12/01/2018 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations