Please find below links to the websites of organisations that are involved in combating avian influenza and a brief description of their role.

International organizations:

www.oie.org
http://www.oie.int/downld/AVIAN%20INFLUENZA/A_AI-Asia.htm (latest update on avian influenza)
The OIE – International Office for Animal Health (Office International des Epizooties) is an intergovernmental organization responsible for collecting, analyzing and disseminating animal disease data including on avian influenza.

http://www.who.int/topics/avian_influenza/en/ (WHO avian influenza homepage)
http://www.who.int/csr/disease/avian_influenza/avian_faqs/en/index.html (WHO avian influenza FAQs)
The World Health Organisation is coordinating the global response to human cases of H5N1

http://w3.whosea.org/en/Section10/Section1027.htm
The World Health Organisation's South East Asian section has dedicated information on avian influenza.

http://www.fao.org/ag/againfo/subjects/en/health/diseases-cards/special_avian.html
The animal production and health division of the Food and Agriculture Organisation (a UN body) has developed guidelines for biosecurity and surveillance in the event of avian influenza outbreaks.

EU and national institutions

http://europa.eu.int/comm/dgs/health_consumer/dyna/influenza/index.cfm
The website of the European Commission's DG SANCO (Health & Consumer Protection) provides up to date information on avian influenza outbreaks in Europe and the measures implemented in response to the outbreaks.

http://www.ecdc.eu.int/
The European Centre for Disease Prevention and Control coordinates EU wide surveillance, monitoring and early warning systems for communicable diseases including avian influenza.

http://www.cdc.gov/flu/avian/index.htm
In the United States , the Centers for Disease Control and Prevention are monitoring avian influenza and providing up to date information on the disease.

http://www.pandemicflu.gov/
“One-stop” website on pandemic and avian flu from the US government.

http://www.phac-aspc.gc.ca/influenza/avian_e.html
The Public Health Agency of Canada provides information on avian influenza.

Animal Health industry

http://www.intervet.com/news/company_news/current.asp

http://www.avian-influenza.com/control/introduction.asp
The animal health company Intervet produces avian influenza vaccines.

http://www.merial.com/index.asp
The animal health company Merial produces avian influenza vaccines.

http://www.wyeth.com/divisions/fort_dodge.asp
The animal health company Fort Dodge produces avian influenza vaccines.

http://www.ceva.com
The animal health company Ceva produces avian influenza vaccines.

Other useful websites;

www.poultrysite.com