TRAVEL ADVISORIES
- California Department of Public Health: http://www.cdph.ca.gov/HealthInfo/discond/Pages/SwineInfluenzaTravelers.aspx
- Centers for Disease Control (advisories in different languages): http://wwwn.cdc.gov/travel/content/novel-h1n1-flu.aspx
- World Health Organization: http://www.who.int/ith/en/index.html