West Africa
Reviewed by Alexander Webber, Chief Epidemiologist · Updated 2026-08
Senegal is a common gateway to West Africa and carries significant health risks including year-round malaria and mandatory yellow fever vaccination requirements. Dakar has a more developed healthcare infrastructure than much of West Africa, but care outside the capital is limited. The risk of meningococcal meningitis is elevated in the Sahel belt during the dry season. Travelers to rural areas and the Casamance region face higher exposure to vector-borne and waterborne diseases.
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High risk throughout the country, including Dakar, year-round. Transmission peaks during and after the rainy season from July through November. P. falciparum is the primary species and chloroquine resistance is established. All travelers, including those staying only in Dakar, should consider chemoprophylaxis.
Tap water is not safe to drink; use sealed bottled water for drinking and brushing teeth. Avoid raw or undercooked shellfish, street food from unlicensed vendors, and unpeeled raw produce. Travelers' diarrhea is very common. Avoid freshwater contact in rivers and lakes due to schistosomiasis risk.
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