South Asia
Reviewed by Alexander Webber, Chief Epidemiologist · Updated 2026-08
India is an enormously diverse country with health risks varying dramatically by region, season, and elevation. From the Himalayan north to tropical Kerala, travelers face mosquito-borne diseases, foodborne illness, air pollution, and altitude sickness. Healthcare ranges from world-class private hospitals in Delhi and Mumbai to very limited rural facilities.
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Source: CDC Travelers' Health — India
Present across much of India. Highest risk in the northeast, Odisha, Chhattisgarh, Jharkhand, and Madhya Pradesh. Lower risk in major urban centers like Delhi, Mumbai, and Bangalore, but urban dengue is very high.
Delhi belly (traveler's diarrhea) affects a large proportion of visitors. Avoid raw salads, chaat with raw chutneys, unpeeled fruit, tap water, ice, and street food from unhygienic stalls. Freshly cooked hot food is safer. Always drink bottled or filtered water.
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