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Volume 19, Number 11—November 2013
Research

Common Epidemiology of Rickettsia felis Infection and Malaria, Africa

Oleg Mediannikov1, Cristina Socolovschi1, Sophie Edouard, Florence Fenollar, Nadjet Mouffok, Hubert Bassene, Georges Diatta, Adama Tall, Hamidou Niangaly, Ogobara Doumbo, Jean Bernard Lekana-Douki, Abir Znazen, M’hammed Sarih, Pavel Ratmanov, Herve Richet, Mamadou O. Ndiath, Cheikh Sokhna, Philippe Parola, and Didier RaoultComments to Author 
Author affiliations: 1These authors contributed equally to this article.; Aix Marseille Université, Marseille, Faculté de Médecine, Marseille, France (O. Mediannikov, C. Socolovschi, S. Edouard, F. Fenollar, Patmanov P., H. Richet, P. Parola, D. Raoult); Institut de Recherche pour le Développement, Dakar, Senegal (O. Mediannikov, F. Fenollar, H. Bassene, G. Diatta, M.O. Ndiath, C. Sokhna, D. Raoult); Centre Hospitalo-Universitaire d'Oran, Oran, Algeria (N. Mouffok); Institut Pasteur de Dakar, Dakar (A. Tall); University of Sciences, Techniques and Technology, Bamako, Mali (H. Niangaly, O. Doumbo); Unité de Parasitologie Médicale Centre International de Recherche Médicale de Franceville, Franceville, Gabon (J.B. Lekana-Douki); Université des Sciences de la santé de Libreville, Libreville, Gabon (J.B. Lekana-Douki); Habib Bourguiba University Hospital, Sfax, Tunisia (A. Znazen); Institut Pasteur du Maroc, Casablanca, Morocco (M. Sarih); Far Eastern State Medical University, Khabarovsk, Russia (P. Ratmanov)

Main Article

Table 2

Attack rate of Rickettsia felis infection and malaria by country and geographic site, Africa, 2010–2012

No. samples positive/no. tested (%)
Participant status
Country
Study site (site abbreviation) Collection period No. samples* R. felis Plasmodium spp. R. felis/ Plasmodium spp. co-infection
Febrile patients
Senegal Jun 2010–Mar 2012 2,024 312/2,024 (15) 400/1,867† (21) 66/285 (23)*
Dielmo (S1) Jun 2010–Feb 2012 540 39/540 (7) 118/509 (23) 8/36 (22)
Ndiop (S2) Jun 2010–Feb 2012 246 20/246 (8) 33/237 (14) 3/18 (17)
Keur-Momar Sarr (S3) Mar–Nov 2011 223 36/223 (16) 44/196 (22) 9/33 (27)
Niakhar (S4) Oct 2010–Mar 2012 316 76/316 (24) 74/303 (24) 18/74 (24)
Basse-Casamance (S5) Jan 2011–Mar 2012 411 84/411 (20) 37/350 (11) 7/69 (10)
Kedougou (S6)
 2011
 288
 57/288 (20)
 94/272 (34)
 21/55 (38)
Gabon
Franceville
 2011
 50
 5/50 (10)
 19/50 (38)‡
 2/5 (40)**
Mali 2011 100 3/100 (3) 90% (90/100) 3/3 (100)
Diakambou (M1) Oct 50 1/50 (2) 82% (41/50) 1/1 (100)
Kole (M2)
 Nov
 50
 2/50 (4)
 98% (49/50)
 2/2 (100)
Algeria
Oran
 Jul–Sep 2012
 257
 2/257 (1)
 1/257 (0,4%)
 0/1
Morocco
Casablanca
 May–Jun 2006
 48
 1/48 (2)
 0/38†
 0
Tunisia
Sfax
 2012
 183
 0/183
 0/183
 0
France
Marseille
 2012
 400
 0/400
 0/400
 0
Afebrile persons
Senegal (S1-S2)
 Dec 20s11–Apr 2012
 391
 17/391 (4)
 5/391 (1)
 0/5
France
Marseille 2011–2012 100 0/100 0/100 0

*Reliable samples.
†There were insufficient DNA samples for the analysis of Plasmodium spp., as decided a posteriori.
‡Positive by blood smear.

Main Article

Page created: October 31, 2013
Page updated: October 31, 2013
Page reviewed: October 31, 2013
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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