Index

Handout for the Department Meeting 19911128

Malaria reappearance in Madagascar

  1. Lepers, J.P., Fontenille, D., Andriamangatiana-Rason, M.D., Deloron, P. and Coulanges, P. (1990) Facteurs écologiques de la recrudescence du paludisme a Madagascar. Bulletin de la Societe de Pathologie Exotique, 83: 330-341.
  2. Fontenille, D., Lepers, J.P., Campbell, G.H., Coluzzi, M., Rakotoarivony, I. and Coulanges, P. (1990) Malaria transmission and vector biology in Manarintsoa, high plateaux of Madagascar. American Journal of Tropical Medicine and Hygiene, 43(2): 107-115.
  3. Lepers, J.P., Deloron, P., Fontenille, D. and Coulanges, P. (1988) Reappearance of falciparum malaria in central highland plateaux of Madagascar. Lancet, 1: 586.

Comparison of two study sites

itemsîle Sainte MarieManarintsoa
climateTemperature is higher than 20 °C (average per month) through 12 months, and annual rainfall is about 2,500mm. Wet season is from May to September.Temperature is lower than 15 °C (average of diurnal lowest value per month) during dry and cold season from May to September.
mosquito7919 of An. gambiae s.l. and 309 of An. funestus caught per 578 person-night. Human blood index is almost 100%.1535 of An. gambiae s.l. and 87 of An. funestus caught per 704 person-night. Human blood index is very low. Sporozoite index is 0.12% for An. gambiae s.l. and 0.52% for An. funestus.
infective bites1.1/person/nightVery low
infection risk:approximately 10.62
parasite speciesfalciparum, vivax, malariae, ovalefalciparum, vivax, malariae