For more information

• World Health Organization(WHO)
  
  
• National Strategy for Pandemic Flu(PDF)
  

• Department of Health and Human Services 
• • Community Strategy 

•  Center for Disease Control (CDC)

• New York State Department of Health

Helpful links if you're travelling outside the U.S.: 

• CDC Information for Travellers

• U.S. Department of State Background Notes 

• U.S. Customs Travel Advisories