Diseases & risks
Travel-relevant infectious diseases with physician-reviewed prevention guidance.
Life-threatening parasitic infection. Prevention combines mosquito avoidance with chemoprophylaxis.
Transmitted by daytime-biting Aedes mosquitoes. Prevention is primarily behavioral.
Causes severe joint pain that can persist for months. Same Aedes vector as dengue.
Single-dose vaccine provides lifelong protection. Required for entry to many countries.
Spread through contaminated food and water. Vaccine available.
Highly effective 2-dose vaccine. Spread through contaminated food, water, and close contact.
Nearly always fatal once symptomatic. Pre-exposure vaccine simplifies post-bite management.
Acute watery diarrhea that can kill within hours. Oral vaccine available for high-risk areas.
Vaccine recommended for extended rural stays in Asia.