Volume 11, Number 3—March 2005
Research
Malaria Risk in Travelers
Table 2
Reported travel-associated cases of malaria in Sweden, 1997–2003
Source of infection | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | Total |
---|---|---|---|---|---|---|---|---|
Plasmodium falciparum | 10 | 56 | 55 | 60 | 58 | 65 | 44 | 348 |
P. malariae | 0 | 0 | 1 | 5 | 4 | 4 | 1 | 15 |
P. ovale | 2 | 11 | 4 | 8 | 7 | 10 | 5 | 47 |
P. vivax | 12 | 34 | 33 | 19 | 40 | 21 | 19 | 178 |
Unspecified species | 133 | 43 | 31 | 20 | 18 | 11 | 13 | 269 |
Total | 157 | 144 | 124 | 112 | 127 | 111 | 82 | 857 |