It is transmitted primarily through food or water contaminated with feces. All Americans should receive their primary immunization against tetanus, diphtheria, and polio during childhood, with a booster against tetanus and diphtheria every 10 years. If traveling to the polio risk area, you should have received a polio booster within the last ten years. Back To Top A life-threatening illness common in many developing countries of Africa, Asia, the Middle East, the Caribbean, and Central and South America. Extremely high fever, headache, tiredness.
Vaccination is recommended for all travelers to risk areas.
A viral illness that can result in internal bleeding and liver damage. Mild symptoms are similar to those of a flu, but a more severe case can result in nausea, vomiting, bleeding, abdominal pains, and jaundice. Carried by some species of mosquito in Central and South America, and in tropical regions of Africa. Travelers to or through a risk area may require a certificate of vaccination against yellow fever for legal entry. Follow mosquito bite prevention practices.