The main malaria vector is Anopheles farauti. Its peak biting time is early in the
evening before most people are inside their mosquito nets.
Malaria in Vanuatu is endemic in all except the islands of Aneityum and Futuna.
Transmission is seasonal with a peak in the rainy season, between December
and April.
The overall ratio of P. falciparum to P. vivax is approximately 50:50 with an
increasing trend of P. vivax especially in the southern islands. A few cases of P.
are seen but these are very rare. The overall incidence of malaria is
low in the south and higher in the north.
The risk of malaria transmission varies from place to place but the entire
population except on the malaria-free islands are considered at risk of malaria.
This includes the urban areas in and around Port Vila and Santo that are
generally considered malaria free but where transmission may still occur due to
the constant movement of population between the urban areas and other
endemic islands.
Since 2000 the number of malaria cases had increased gradually but following
the availability of funding from the Global Fund that trend has been reversed and
the number of reported cases is steadily decreasing.

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