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Volume 20, Number 4—April 2014
Research

Regional Variation in Travel-related Illness acquired in Africa, March 1997–May 2011

Marc MendelsonComments to Author , 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
Author affiliations: University of Cape Town Groote Schuur Hospital, Cape Town, South Africa (M. Mendelson); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (P.V. Han, M. Sotir); Tokai Medicross Travel Clinic, Cape Town (P. Vincent); University of Munich, Munich, Germany (F. von Sonnenburg); University Medical Center, Hamburg-Eppendorf, Germany (J.P. Cramer); University of Geneva, Geneva, Switzerland (L. Loutan); University of Toronto, Toronto, Ontario, Canada (K.C. Kain); Assitance Publique Hôpitaux de Marseille–North University Hospital, Marseille, France (P. Parola); Yeshiva University Bronx-Lebanon Hospital Center, Bronx, New York, USA (S. Hagmann); Cambridge University Hospitals National Health Service Trust, Cambridge, UK (E. Gkrania-Klotsas); University of Zurich Centre for Travel Medicine, Zurich, Switzerland (P. Schlagenhauf)

Main Article

Table 5

Malaria in ill returned travelers from Africa seen at GeoSentinel clinic sites, March 1997–May 2011*

Illness No. (%) travelers
Total,
N = 16,893 Region visited before illness
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
Febrile/systemic illness 5,505 (33) 626 (40) 1,474 (27) 219 (9) 579 (23) 2,607 (44)
Malaria† 2,789 (50.7) 416 (66.5) 515 (34.9) 37 (16.9) 12 (2.1) 1,809 (69.4)
Plasmodium falciparum‡ 2,230 (40.5) 338 (54.0) 316 (21.4) 22 (10.0) 9 (1.6) 1,545 (59.3)
Uncomplicated 2,118 (38) 313 (50.0) 291 (19.7) 22 (10.0) 8 (1.4) 1,484 (56.9)
Severe noncerebral 104 (1.9) 27 (4.3) 23 (1.6) 1 (0.5) 1 (0.2) 52 (2.0)
Severe cerebral 61 (1.1) 13 (2.1) 12 (8) 0 1 (0.2) 35 (1.3)
P. vivax 197 (3.6) 19 (3.0) 122 (8.3) 9 (4.1) 0 47 (1.8)
P.ovale 138 (2.5) 21 (3.4) 26 (1.8) 2 (1) 0 89 (3.4)
P.malariae 84 (1.5) 20 (3.2) 17 (1.2) 2 (1) 0 45 (1.7)
Unknown species 179 (3.3) 26 (4.2) 44 (3.0) 3 (1.4) 3 (0.5) 103 (4.0)

*The United Nations geoscheme was used to classify Africa into subregions (5).
†Sudan and Western Sahara are malaria-endemic countries.
‡Row totals indicate unique patients.

Main Article

1Contributing members of the GeoSentinel Surveillance Network are listed at the end of this article.

Page created: March 12, 2014
Page updated: March 12, 2014
Page reviewed: March 12, 2014
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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