Table 3: Most common source countries by year of import for 456 cases of malaria among ill returned travellers and new immigrants evaluated at CanTravNet sites, 2004-2014.
| Year of import | No. of diagnoses of malaria (no. travellers with malaria) | Total no. of cases of malaria reported to the Public Health Agency of Canada10 | Cases reported to the Public Health Agency of Canada seen at CanTravNet sites, % | Most common source countries (no. of cases)* | ||
|---|---|---|---|---|---|---|
| First | Second | Third† | ||||
| 2004‡ | 4 (4) | 375 | 4.3§ | Afghanistan (1) | Guatemala (1) | Venezuela (1) |
| 2005 | 10 (9) | 365 | 2.7 | Ghana (2) | Guinea (2) | - |
| 2006 | 21 (20) | 333 | 6.3 | Nigeria (6) | Ivory Coast (4) | Mozambique (4) |
| 2007 | 31 (28) | 384 | 8.1 | India (5) | Ivory Coast (3) | Cameroon (2), Nigeria (2) |
| 2008 | 45 (42) | 372 | 12.1 | Kenya (5) | Nigeria (5) | - |
| 2009 | 36 (35) | 364 | 9.9 | India (5) | Ghana (4) | - |
| 2010 | 41 (40) | 514 | 8.0 | Cameroon (3) | Ghana (3) | Honduras (3), Nigeria (3) |
| 2011 | 60 (58) | 517 | 11.6 | India (10) | Ghana (7) | Nigeria (6) |
| 2012 | 64 (62) | 477 | 13.4 | India (7) | Pakistan (6) | Sierra Leone (5) |
| 2013 | 95 (90) | 489 | 19.4 | Cameroon (12) | Guinea (7) | Nigeria (7) |
| 2014¶ | 49 (48) | Unavailable | Unavailable | Benin (4) | Ghana (4) | - |
| Total | 456 (437) | 4190 | 11.3 | Nigeria (41) | India (40) | Ghana (32) |
*Country of exposure may be unknown or unattributable with multicountry itineraries.
†Not noted if more than 5-way tie for third place.
‡Data for Sept. 1, 2004, to Dec. 31, 2004.
§Extrapolated to 1 year.
¶Data for Jan. 1, 2014, to Aug. 31, 2014.