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Volume 11, Number 3—March 2005

Research

Malaria Risk in Travelers

Helena Hervius Askling*†, Jenny Nilsson*†, Anders Tegnell*, Ragnhild Janzon*, and Karl Ekdahl*‡Comments to Author 
Author affiliations: *Swedish Institute for Infectious Disease Control, Stockholm, Sweden; †Karolinska University Hospital, Stockholm, Sweden; ‡Karolinska Institute, Stockholm, Sweden

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Table 3

Reported travel-associated cases of malaria in Sweden by species of malaria, 1997–2003

Region Plasmodium falciparum P. malariae P. ovale P. vivax Unspecified Total
Arab countries and Iran 0 0 0 2 2 4
Indian subcontinent 4 0 3 42 25 74
East Asia 16 1 0 64 30 111
West Africa 141 5 14 9 73 242
East Africa 87 5 14 31 79 216
Central Africa 58 4 9 8 28 107
Southern Africa 40 0 6 6 26 78
Central America + Caribbean 1 0 0 4 2 7
South America 1 0 1 12 4 18
Total 348 15 47 178 269 857

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