The Panama Puzzle  
   Online virology tutorial. It's June 25th, 1900. Walter Reed needs your help to put an end to "yellow jack," a disease causing his men to drop like flies.
   http://www.tulane.edu/~dmsander/Tutorials/Panama/Panama.html

Mamas Health  
   Learn about Yellow Fever, what causes it, statistics and how to prevent it.
   http://www.mamashealth.com/yellow.asp

The Political Graveyard  
   Politicians who died of yellow fever.
   http://politicalgraveyard.com/death/yellow-fever.html

CDC Travelers Health: Yellow Fever  
   Comprehensive Yellow Fever vaccination requirements.
   http://www.cdc.gov/travel/yb/outline.htm

Yellow Fever Facts  
   Factsheet with cause, symptoms, risk factors, diagnosis, prognosis, treatment, and prevention.
   http://www.astdhpphe.org/infect/yellow.html

CDC: Yellow Fever  
   Factsheets, articles, and press releases about the disease and its vaccine.
   http://www.cdc.gov/ncidod/diseases/submenus/sub_yellow_fever.htm

eMedicine - Yellow Fever  
   Article by Malini K Singh, MD.
   http://www.emedicine.com/emerg/topic645.htm

MedlinePlus Medical Encyclopedia: Yellow Fever  
   Includes cause, risk factors, symptoms, diagnosis, treatment, complications, prognosis, and prevention.
   http://www.nlm.nih.gov/medlineplus/ency/article/001365.htm

WHO: Yellow Fever  
   Features disease and vaccine information, factsheets, news stories, articles, information for travelers, and international programs.
   http://www.who.int/csr/disease/yellowfev/en/

WHO/OMS: Yellow Fever  
   Factsheets on the disease and its vaccine.
   http://www.who.int/health-topics/yellow.htm

Yellow Fever  
   Factsheet on the disease and vaccination requirements from the Australian government.
   http://www.health.gov.au/pubhlth/strateg/communic/factsheets/yellow.htm

MDTravel Health - Yellow Fever  
   Factsheet about the disease and vaccine, focusing on travelers.
   http://www.mdtravelhealth.com/infectious/yellow_fever.html

Update on Yellow Fever in the Americas  
   Disease information from the Pan American Health Organization.
   http://www.paho.org/English/SHA/be_v21n2-yellowfever.htm

Health Canada Disease Information: Yellow Fever  
   Learn more about yellow fever worldwide, along with the latest Health Canada recommendations on prevention.
   http://www.phac-aspc.gc.ca/tmp-pmv/info/yf_fj_e.html

NHS Direct Online Health Encyclopaedia  
   Encyclopaedia article about the tropical disease yellow fever.
   http://www.nhsdirect.nhs.uk/en.asp?TopicID=487