Gabon has year-round mosquito activity in its equatorial climate, with peak risk during the rainy seasons from October through December and February through May. The dense equatorial forest that covers most of the country, along with the coastal zone around Libreville, carries significant risk. The relatively small population means individual exposure is high in rural areas.
Malaria (P. falciparum and P. vivax) is the primary concern. Yellow fever is endemic. Chikungunya and Zika have also been reported. Despite being an upper-middle-income country, malaria remains a significant health burden.
Anopheles gambiae and Anopheles funestus are the dominant malaria vectors. Aedes aegypti transmits yellow fever and other arboviruses. The dense forest cover and high humidity maintain excellent mosquito breeding conditions year-round.
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Explore mosquito risk briefings for other destinations in Central Africa.
Disease presence data is sourced from WHO, CDC, ECDC, and OpenDengue. This is not medical advice — consult a travel health professional before your trip.