OIE: 2009 Pandemic H1N1 influenza, Mexico

OIE: 2009 Pandemic H1N1 influenza, Mexico
submited by kickingbird at Dec, 11, 2009 8:49 AM from OIE

Information received on 10/12/2009 from Dr Francisco Velarde García, Director General de Salud Animal, Secretaría de Agricultura, Ganadería, Desarrollo Rural, Pesca y Alimentación (SAGARPA) , Secretaría de Agricultura, Ganadería, Desarrollo Rural, Pesca y Alimentación (SAGARPA) , Mexico DF, Mexico

Summary

Report type	Immediate notification (Final report)
Start date	30/04/2009
Date of first confirmation of the event	01/05/2009
Report date	07/12/2009
Date submitted to OIE	10/12/2009
Date event resolved	29/05/2009
Reason for notification	Emerging disease
Morbidity	0.5 %
Mortality	0 %
Zoonotic impact	No
Causal agent	2009 Pandemic H1N1 virus

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Location(s)

QUERETARO (QUERéTARO, COLON)

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Swine	360	2	0	0	1

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Swine	0.56%	0.00%	0.00%	0.28%

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

Epidemiology

Source of the outbreak(s) or origin of infection	Unknown or inconclusive
Epidemiological comments	Following the pandemic occurred between March and April 2009, epidemiological surveillance was strengthened in pig farms all over the country, resulting in the detection of this outbreak. So far, regular official monitoring has been carried out both in the outbreak and around it and no more animals with clinical signs were found.

Control measures

Measures applied	Movement control inside the country Screening Zoning Modified stamping out No vaccination Treatment of affected animals (One of the two affected pigs was treated with enrofloxacin and gentamicin with a satisfactory response to the treatment.)
Measures to be applied	No other measures

Diagnostic test results

Laboratory name and type

Mexico-United States Commission for the Prevention of Foot and Mouth Disease and Other Exotic Diseases of Animals (CPA) (National laboratory)

Tests and results

Species	Test	Test date	Result
Swine	pathogenic agent isolation on culture	18/05/2009	Positive
Swine	polymerase chain reaction (PCR)	01/05/2009	Positive
Swine	real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)	29/05/2009	Positive

Laboratory name and type

Biotechnology Institute, UNAM (National University of Mexico) (Private Laboratory)

Tests and results

Species	Test	Test date	Result
Swine	virus sequencing	25/11/2009	Positive

Future Reporting

The event is resolved. No more reports will be submitted.

See Also:

http://www.oie.int

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