A/H1N1 influenza ,
Argentina

Information received on 09/07/2009 from Dr Jorge Nestor Amaya, Presidente, Presidencia, SENASA, BUENOS AIRES, Argentina

Summary

Report type Follow-up report No. 2
Start date 15/06/2009
Date of first confirmation of the event 24/06/2009
Report date 08/07/2009
Date submitted to OIE 09/07/2009
Date event resolved 05/10/2009
Reason for notification Emerging disease
Morbidity 15 %
Mortality 0 %
Zoonotic impact An investigation is on-going since it is suggested that the origin is the contact with sick humans.
Causal agent A/H1N1 influenza virus
Related reports

New outbreaks
Outbreak 1 (Foco 2) Cañuelas, Cañuelas, BUENOS AIRES
Date of start of the outbreak 29/06/2009
Outbreak status Resolved (05/10/2009)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Swine 6104 1632 0 0 0
Affected Population An industrial-type holding with full production cycle applying biosecurity measures. Affected categories: suckling pigs and castrated pigs having showed mild clinical signs (cough).
Summary of outbreaks Total outbreaks: 1
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Swine 26.74% 0.00% 0.00% 0.00%

* Removed from the susceptible population through death, destruction and/or slaughter

Epidemiology
Source of the outbreak(s) or origin of infection
  • Under investigation
Epidemiological comments A 3-km-radius zone around the new outbreak has been established and inspection and tracking activities are on-going on the premises with pigs. Also, an investigation on possible epidemiological links with other farms is underway.
No new cases have been observed in the first outbreak since 24 June.

Control measures
Measures applied
  • Quarantine
  • Screening
  • Zoning
  • Disinfection of infected premises/establishment(s)
  • No vaccination
  • No treatment of affected animals
Measures to be applied
  • No other measures

Diagnostic test results
Laboratory name and type Directorate of Laboratories and Technical Control (SENASA) (National laboratory)
Tests and results
Species Test Test date Result
Swine real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 08/07/2009 Positive

Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.

Map of outbreak locations
Location of current outbreaks

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