Avian influenza H5N1 update: resurgence in Thailand

Highly Pathogenic Avian Influenza H5N1, Thailand, 2004

In January 2004, highly pathogenic avian influenza (HPAI) virus of the H5N1 subtype was first confirmed in poultry and humans in Thailand. Control measures, e.g., culling poultry flocks, restricting poultry movement, and improving hygiene, were implemented. Poultry populations in 1,417 villages in 60 of 76 provinces were affected in 2004. A total of 83% of infected flocks confirmed by laborator...

Evolutionary changes in avian influenza H5N1 viruses in Thailand.

Atypical Avian Influenza (H5N1)

We report the first case of avian influenza in a patient with fever and diarrhea but no respiratory symptoms. Avian influenza should be included in the differential diagnosis for patients with predominantly gastrointestinal symptoms, particularly if they have a history of exposure to poultry.

Avian influenza A (H5N1).

Since their reemergence in 2003, highly pathogenic avian influenza A (H5N1) viruses have reached endemic levels among poultry in several southeast Asian countries and have caused a still increasing number of more than 100 reported human infections with high mortality. These developments have ignited global fears of an imminent influenza pandemic. The current knowledge of the virology, clinical ...

H5N1 avian influenza in children.

BACKGROUND Avian influenza continues to pose a threat to humans and maintains the potential for greater transmissibility. Understanding the clinical presentation and prognosis in children will help guide effective diagnosis and treatment. METHODS A global patient registry was created to enable systematic collection of clinical, exposure, treatment, and outcomes data on confirmed cases of H5N1...