Risk is absent in most of the country; risk exists only in specified areas:
Risk is present in Limón Province (Matina Canton), Heredia Province (Sarapiquí Canton), Alajuela Province (San Carlos Canton), and Puntarenas Province (Golfito and Osa Cantons).
High risk months for Malaria are: January to December
Malaria transmission vector(s): A.albimanus
Incidence of Plasmodium falciparum Malaria: 0%
Of the five species of human malaria parasites, Plasmodium falciparum is the most dangerous. The remaining percentage represents malaria infections that may be caused by one or more of the following parasites: Plasmodium vivax, Plasmodium ovale, Plasmodium malariae, and Plasmodium knowlesi.
Suppressive medication is not recommended.
Travellers going to risk areas should follow meticulous anti-mosquito bite measures from dusk to dawn during the malaria season. Download IAMAT's whitepaper How to Protect Yourself Against Malaria for details.