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Volume 10, Number 3—March 2004

Research

Acute Spotted Fever Rickettsiosis among Febrile Patients, Cameroon

Lucy M. Ndip*, Donald H. Bouyer†, Amelia P.A. Travassos Da Rosa†, V.P.K. Titanji*, Robert B. Tesh†, and David H. Walker†Comments to Author 
Author affiliations: *University of Buea, Buea, South West Province, Cameroon; †University of Texas Medical Branch, Galveston, Texas, USA

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Table 2

Geographic origin of 234 Cameroonian patients with antibodies to chikungunya, yellow fever, dengue, West Nile, and Spondweni virusesa

Antigen Buea
(n = 52) Limbe
(n =27) Muyuka
(n = 22) Tiko
(n = 133) Total Geometric mean titerb
Chikungunya
 15
 18
 5
 65
 103
 250
Yellow fever
 12
 10
 4
 67
 93
 56
Dengue 1
 5
 11
 5
 59
 80
 91
Dengue 2
 6
 9
 5
 55
 75
 66
Dengue 3
 6
 6
 3
 41
 56
 71
Dengue 4
 4
 6
 3
 42
 55
 85
West Nile
 0
 9
 2
 51
 62
 71
Spondweni 0 9 3 53 65 77

aAs detected by hemagglutination inhibition test.
bReciprocal of titers.

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