A/H1N1 influenza, Argentina (WAHID Interface - OIE World Animal Health Information Database, 10/12/09, edited)

[Giuseppe]

A/H1N1 influenza, Argentina (WAHID Interface - OIE World Animal Health Information Database, 10/12/09, edited)

A/H1N1 influenza, Argentina

Information received on 09/10/2009 from Dr Jorge Nestor Amaya, Presidente, Presidencia, SENASA, BUENOS AIRES, Argentina

• Summary
  • Report type Follow-up report No. 4 (Final report)
  • Start date 15/06/2009
  • Date of first confirmation of the event 24/06/2009
  • Report date 09/10/2009
  • Date submitted to OIE 09/10/2009
  • 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
  • Serotype Other
  • This event pertains to the whole country
  • Related reports
    • Immediate notification (25/06/2009)
    • Follow-up report No. 1 (01/07/2009)
    • Follow-up report No. 2 (08/07/2009)
    • Follow-up report No. 3 (24/07/2009)
    • Follow-up report No. 4 (09/10/2009)

• Outbreaks
  • There are no new outbreaks in this report

• Epidemiology
  • Source of the outbreak(s) or origin of infection
    • Unknown or inconclusive

• Epidemiological comments
  • Swab samples were taken from 52 piglets in the outbreak 1 at San Andr?s de Giles (50 nasal and 2 bronchial) and from 60 piglets in the outbreak 2 at Ca?uelas (nasal); they were 10-12 weeks old and were born after the detection of the last sick animal (sentinel animals). All samples were negative for the specific sequence of influenza A by real-time RRT-PCR. Human cases of influenza A H1N1 were confirmed by laboratory tests in both holdings; they showed clinical signs prior to the detection of cases in pigs.

• 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) - 03/09/2009 - Negative
      • Swine - real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) - 02/10/2009 - Negative

• Future Reporting
  • The event is resolved. No more reports will be submitted.

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<cite cite="http://www.oie.int/wahis/public.php?page=single_report&pop=1&reportid=8453">WAHID Interface - OIE World Animal Health Information Database</cite>