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Volume 18, Number 2—February 2012

Dispatch

Rickettsia felis Infection in Febrile Patients, Western Kenya, 2007–2010

Alice N. Maina, Darryn L. Knobel, Ju Jiang, Jo Halliday, Daniel R. Feikin, Sarah Cleaveland, Zipporah Ng’ang’a, Muthoni Junghae, Robert F. Breiman, Allen L. Richards, and M. Kariuki NjengaComments to Author 
Author affiliations: Author affiliations: Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya (A.N. Maina, Z. Ng’ang’a); Kenya Medical Research Institute, Kisumu, Kenya (A.N. Maina, D.L. Knobel),; University of Pretoria, Onderstepoort, South Africa (D.L. Knobel); Naval Medical Research Center, Silver Spring, Maryland, USA (A.L. Richards, J. Jiang); University of Glasgow, Glasgow, Scotland, UK (J. Halliday, S. Cleaveland); US Centers for Disease Control and Prevention, Nairobi (M. Junghae, D.R. Feikin, R.F. Breiman, M.K. Njenga)

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Table 2

Genetic sequence analysis results of rickettsial DNA amplified from 17-kDa, ompB, and pRF genes from 21 human specimens, Lwak Mission Hospital, Western Kenya, 2008–2010*

DNA no. 17-kDa gene sequence ompB gene sequence† pRF gene sequence pRFδ gene sequence
1 + +
2 + + +
3 + +
4 + +
5 + +
6 + +
7 + +
8 + +
9 +
10 + + +
11 +
12 +
13 +
14 + +
15 + + +
16 + +
17 +
18 + + +
19 + + +
20 + +
21 + + +

*omp, outer membrane protein; pRf, R. felis plasmid; +, positive; –, negative.
Rickettsia DNA from fleas, dogs, and cats had 93%–99% nt sequence homology with R. felis.

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