Table 2: Most common diagnoses and source countries for malaria species in 456 malaria cases diagnosed at CanTravNet sites, 2004-2014.
| Diagnosis | Total no. of malaria diagnoses in database | No. (%) of malaria diagnoses* in travellers presenting with fever | Three most common source countries |
|---|---|---|---|
| Malaria | 456 | 379 (83.1) | |
| Plasmodium falciparum | 282 | 237 (84.0) | Nigeria, Ghana, Ivory Coast (includes severe malaria) |
| Severe (complicated) | 26 | 23 (88.5) | |
| Plasmodium vivax | 85 | 77 (90.6) | India, Pakistan, Guyana |
| Species unknown | 39 | 22 (56.4) | Burkina Faso, Sierra Leone |
| Plasmodium ovale | 21 | 18 (85.7) | Nigeria, Ghana, Cameroon |
| Plasmodium malariae | 3 | 2 (66.7) | Nigeria, Ghana, Cameroon |
*Percentages are calculated using corresponding total number of diagnoses in database as denominator. A returned traveller could present with more than 1 chief complaint and have more than 1 diagnosis.