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Volume 19, Number 8—August 2013

Dispatch

Travel-associated Diseases, Indian Ocean Islands, 1997–2010

Hélène SaviniComments to Author , Philippe Gautret, Jean Gaudart, Vanessa Field, Francesco Castelli, Rogelio López-Vélez, Poh Lian Lim, Marc Shaw, Frank von Sonnenburg, Louis Loutan, Fabrice Simon, and for the GeoSentinel Surveillance Network
Author affiliations: Laveran Military Teaching Hospital, Marseille, France (H. Savini, F. Simon); University Hospital Institute Méditerranée Infection, Marseille (P. Gautret); Aix Marseille University, Marseille (J. Gaudart); University College London, London, UK (J. Gaudart); InterHealth, London (V. Field); National Travel Health Network and Centre, London (V. Field); University of Brescia, Brescia, Italy (F. Castelli); Ramón y Cajal Hospital, Madrid, Spain (R. López-Vélez); Tan Tock Seng Hospital, Singapore (P.L. Lim); Worldwise Travellers Health Center, Auckland, New Zealand (M. Shaw); Ludwig Maximilian University of Munich, Munich, Germany (F. von Sonnenburg); Geneva University Hospital, Geneva, Switzerland (L. Loutan); University of Geneva, Geneva (L. Loutan)

Main Article

Table 2

Modes of disease transmission for 1,415 ill travelers returning from Indian Ocean islands, 1997–2010

Mode of transmission Total no. (%), n = 1,415 Island visited, no. (%) travelers
Madagascar, n = 502 Comoros, n = 444 Maldives, n = 174 Mauritius, n = 153 Seychelles, n = 81 Réunion Island, n = 39 >1 Island, n = 22
Mosquito bite 452 (31.9) 48 (9.6) 356 (80.2) 17 (9.8) 13 (8.5) 4 (4.9) 14 (35.9) 0 (0.0)
Food/water consumption 236 (16.7) 138 (27.5) 10 (2.3) 40 (23.0) 27 (17.6) 20 (24.7) 3 (7.7) 2 (9.1)
Direct skin contact 159 (11.2) 91 (18.1) 9 (2.0) 20 (11.5) 24 (15.7) 17 (21.0) 0 2 (9.1)
Respiratory droplet 102 (7.2) 33 (6.6) 25 (5.6) 20 (11.5) 15 (9.8) 7 (8.6) 8 (20.5) 4 (18.2)
Animal contact 44 (3.1) 15 (3.0) 0 7 (4.0) 10 (6.5) 12 (14.8) 1 (2.6) 1 (4.5)
Fresh water contact 23 (1.6) 21 (4.2) 0 0 1 (0.7) 0 1 (2.6) 0
Sex/blood 7 (0.5) 3 (0.6) 1 (0.2) 1 (0.6) 0 1 (1.2) 1 (2.6) 0
Tick bite 3 (0.2) 1 (0.2) 1 (0.2) 0 1 (0.7) 0 0 0

Main Article

1Additional members of the GeoSentinel Surveillance Network who contributed data are listed at the end of this article.

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