Jalna Blog: avian influenza

In 2013 human infections with the influenza AH7N9 virus were reported in China. An influenza pandemic is a global outbreak of a new influenza A virus.

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This HPAI H7 strain is of North American wild bird origin.

. This is the second outbreak in the village since April when over 40000 hens were culled reported Reuters. On March 5 2017 USDA confirmed highly pathogenic avian influenza HPAI H7 in a commercial poultry flock along the Mississippi Flyway. Pandemics happen when new novel influenza A viruses emerge which are able to infect people easily and spread from person to person in an efficient and sustained way.

Severe forms of avian influenza have. An outbreak of highly pathogenic avian influenza HPAI type H5N1 was confirmed on yesterday on a duck farm located in the municipality of Manciet in the south of France. Minko Angelov said the two farms had been hit by the highly pathogenic avian influenza type A.

Therefore sporadic human cases are not unexpected. Birds are the natural hosts for avian influenza viruses. The United States is NOT currently experiencing an influenza pandemic.

Whenever avian influenza viruses are circulating in poultry there is a risk for sporadic infection and small clusters of human cases due to exposure to infected poultry or contaminated environments. It is the first poultry outbreak found in the southwest since last winters outbreak that strongly affected this region said the. After an outbreak of AH5N1 virus in 1997 in poultry in Hong Kong SAR China since 2003 this avian and other influenza viruses have spread from Asia to Europe and Africa.

And on March 7 2017 USDAs National Veterinary Services Laboratories NVSL confirmed the full subtype of this HPAI H7 as North American wild bird lineage H7N9 HPAI.

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