Volume 20, Number 4—April 2014
Research
Regional Variation in Travel-related Illness acquired in Africa, March 1997–May 2011
Marc Mendelson
, Pauline V. Han, Peter Vincent, Frank von Sonnenburg, Jakob P. Cramer, Louis Loutan, Kevin C. Kain, Philippe Parola, Stefan Hagmann, Effrossyni Gkrania-Klotsas, Mark Sotir, Patricia Schlagenhauf, and for the GeoSentinel Surveillance Network
, Pauline V. Han, Peter Vincent, Frank von Sonnenburg, Jakob P. Cramer, Louis Loutan, Kevin C. Kain, Philippe Parola, Stefan Hagmann, Effrossyni Gkrania-Klotsas, Mark Sotir, Patricia Schlagenhauf, and for the GeoSentinel Surveillance Network
Table 3
Diagnoses in descending order of frequency, by region of origin, for ill travelers returning from Africa who were seen at GeoSentinel clinic sites, March 1997–May 2011*
| Total, N = 16,893 | Illness and no. (%) travelers |
||||
|---|---|---|---|---|---|
| Central Africa, n = 1,547 | Eastern Africa, n = 5,516 | Northern Africa, n = 2,474 | Southern Africa, n = 1,457 | Western Africa, n = 5,899 | |
| Malaria, Plasmodium falciparum. 2,118 (13) | Malaria, P. falciparum, 313 (20) | Viral syndrome, no rash, 444 (8) | Diarrhea, acute unspecified, 419 (17) | Rickettsia, tick-borne spotted fever, R. africae, R. conorii, R. rickettsii and other, 273 (19) | Malaria, P. falciparum, 1,484 (25) |
| Diarrhea, acute unspecified, 1,373 (8) | Viral syndrome, no rash, 114 (7) | Diarrhea, acute unspecified, 414 (8) | Diarrhea, chronic unknown, 262 (11) | Viral syndrome, no rash, 177 (12) | Viral syndrome, no rash, 396 (7) |
| Viral syndrome, no rash, 1200 (7) | Filaria, Loa Loa, 81 (5) | Malaria, P. falciparum, 291 (5) | Diarrhea, acute bacterial, 145 (6) | Diarrhea, acute unspecified, 95 (7) | Diarrhea, acute unspecified, 365 (6) |
| Diarrhea, chronic unknown, 791 (5) | Diarrhea, acute unspecified, 80 (5) | Diarrhea, chronic unknown, 254 (5) | Gastroenteritis, 107 (4) | Diarrhea, chronic unknown 69 (5) | Giardia, 209 (4) |
| Diarrhea, acute bacterial, 638 (4) | Diarrhea, acute bacterial, 48 (3) | Diarrhea, acute bacterial, 219 (4) | Rabies, postexposure prophylaxis, 107 (4) | Febrile illness, unspecified (<3 wk), 53 (4) | Diarrhea, acute bacterial, 207 (4) |
| Febrile illness, unspecified, <3 wk, 495 (3) | Febrile illness, unspecified, <3 wk, 46 (3) | Febrile illness, unspecified, <3 wk, 180 (3) | Irritable bowel syndrome, post infectious, 89 (4) | Respiratory tract infection (upper), 40 (3) | Febrile illness, unspecified, <3 wk, 184 (3) |
| Giardia, 491 (3) | Diarrhea, chronic unknown, 42 (3) | Respiratory tract inf (upper), 167 (3) | Giardia, 87 (4) | Bite or sting, insect, 33 (2) | Diarrhea, chronic unknown, 164 (3) |
| Respiratory tract infection (upper), 387 (2) | Giardia, 41 (3) | Bite or sting, insect, 142 (3) | Viral syndrome, no rash, 69 (3) | Rash, unknown etiology (non-febrile), 33 (2) | Respiratory tract infection (upper), 124 (2) |
| Irritable bowel syndrome, post infectious, 375 (2) | Strongyloides, simple intestinal, 34 (2) | Giardiasis, 133 (2) | Bite, dog, 52 (2) | Bite, insect; superinfected, 25, (2) | Irritable bowel syndrome, post-infectious, 110 (2) |
| Rickettsia, tick-borne spotted fever, 336 (2) | Malaria, severe and complicated, noncerebral, 27 (2) | Irritable bowel syndrome, post-infectious, 131 (2) | Campylobacter, 42 (2) | Bite, Tick 23 (2) | Malaria, species unknown 103 (2) |
*The United Nations geoscheme was used to classify Africa into subregions (5).
1Contributing members of the GeoSentinel Surveillance Network are listed at the end of this article.
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