Influenza A H1N1, Chile (WAHID Interface - OIE World Animal Health Information Database, 10/27/09, edited)

[Giuseppe]

Influenza A H1N1, Chile (WAHID Interface - OIE World Animal Health Information Database, 10/27/09, edited)

Influenza A H1N1, Chile

Information received on 26/10/2009 from Dr Ternicier Claudio, Jefe Divisi?n Protecci?n Pecuaria, Servicio Agr?cola y Ganadero, Ministerio de Agricultura , Santiago , Chile

• Summary
  • Report type Follow-up report No. 2 (Final report)
  • Start date 23/07/2009
  • Date of first confirmation of the event 20/08/2009
  • Report date 26/10/2009
  • Date submitted to OIE 26/10/2009
  • Date event resolved 23/10/2009
  • Reason for notification Emerging disease
  • Morbidity 61.4 %
  • Mortality 0 %
  • Zoonotic impact No
  • Causal agent Influenza A virus
  • Serotype Other
  • This event pertains to the whole country
  • Related reports
    • Immediate notification (21/08/2009)
    • Follow-up report No. 1 (31/08/2009)
    • Follow-up report No. 2 (26/10/2009)

• Outbreaks
  • There are no new outbreaks in this report

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

• Epidemiological comments
  • The final recovery in the laying rate was observed in the outbreak of Las Palmas and in the outbreak of Pucal?n the 12th and the 16th September respectively. The last positive result was obtained by PCR on 15th August in Las Palmas and on 30th August in Pucal?n. All the tests made after these dates were negative, the last negative result being obtained on 19th October in Las Palmas and 20th October in Pucal?n. According to the eradication program implemented, quarantine measures have been lifted and both outbreaks are considered resolved.
  • Additional epidemiological investigations on the possible source of infection identified workers with respiratory problems and, as a risk factor for virus transmission to birds, the activity of insemination.

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

• 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=8585">WAHID Interface - OIE World Animal Health Information Database</cite>

 

[Giuseppe]

Re: Influenza A H1N1, Chile (WAHID Interface - OIE World Animal Health Information Database, 10/27/09, edited)

(IOH)

Is this influenza A / (H1N1) virus a new variant?

It is not listed as ''Pandemic A/H1N1'' so I think this should be considered as a new variant of swine origin.

I invite all Readers and Members' to enhance news screening for obtaining more information about this incident.