Avian Influenza – United States

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One human infection with a novel influenza A (H1N2) variant virus was reported in California, USA.

The patient had direct contact with swine before specimen collection.

The H1N2 infection occurred in an adult who was not hospitalized and has recovered from the illness. And no ongoing person-to-person transmission has been identified associated with this case.

Photo: H5N1 virus colorized micrograph, viruses are gold colored in MDCK cells (green).

Avian influenza is deadly to most birds, but it can also be deadly to humans and other animals that catch the virus (poultry farming). Since the first human case in 1997, H5N1 has killed nearly 60% of those who have been infected. Unlike human flu, avian flu does not spread easily from person to person.

Avian influenza subtypes H5N8, H5N5, H5N3, and H5N1 are currently circulating mostly in the European continent (for now). The pathogens have been detected in wild birds and these viruses are being distributed wherever wild birds migrate.

Poultry producers are recommended to implement bio-security measures necessary to protect their flocks and humans from exposure and infection.

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