Malaria is transmitted by the night-time - dusk to dawn - biting female Anopheles mosquito.
Risk is present in rural areas in the departments of Santa Ana and Ahuachapan bordering Guatemala. Sporadic cases are also reported from the departments of Sonsonate and La Union. Persons travelling extensively in these rural areas should take meticulous anti-mosquito bite measures.
Note: The city of San Salvador is risk free.
Risk is present in the country; areas of risk are specified:
High risk months for Malaria are: January to December
Incidence of Plasmodium falciparum Malaria: < 1%
Areas with drug resistant Malaria:
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.