Some representative distributions of the four recognized species of malaria parasites of humans in the world today

SpeciesDistribution of species (%) in following area (total no. of cases):
Sub-Saharan AfricaaAsiaa (all) (863)South Central Asiab and Middle East (14,539,081)Western Pacificb and Southeast Asia (86,461,294)Western Pacificc (Vanuatu) (1,708)Central America and Caribbeand (178,242)South Americaa (859,480)
West and Central (858)East and Southern (297)
P. falciparum88.
P. vivax1.29.895.680.2e48.6e56.187.170.6
P. malariae2.
P. ovale8.
  • a Data courtesy of the United Kingdom Malaria Reference Laboratory; obtained from cases of malaria diagnosed in travelers returning to the United Kingdom, 1 January to 31 December 1996.

  • b Data courtesy of World Health Organization Regional Offices 1993 to 1996 (unpublished data) analyzed for The World Health Report, 1999 (210).

  • c Data from reference 107; obtained from cases of malaria diagnosed in Vanuatu from 1988 to 1992.

  • d Data courtesy of the Pan American Health Organization, Status of Malaria Programmes in the Americas XLVI Report, 1998; obtained from cases of malaria diagnosed and reported by countries in Central and South America for 1996 or 1997.

  • e Data include all three species P. vivax, P. malariae, and P. ovale.