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Volume 17, Number 7—July 2011

Synopsis

Rickettsia parkeri Rickettsiosis, Argentina

Yamila RomerComments to Author , Alfredo C. Seijo, Favio Crudo, William L. Nicholson, Andrea Varela-Stokes, R. Ryan Lash, and Christopher D. Paddock
Author affiliations: Author affiliations: Hospital F.J. Muñiz, Buenos Aires, Argentina (Y. Romer, A.C. Seijo, F. Crudo); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (W.L. Nicholson, C.D. Paddock); Mississippi State University, Mississippi State, Mississippi, USA (A. Varela-Stokes); The University of Georgia, Athens, Georgia, USA (R.R. Lash)

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Table

Comparison of selected clinical characteristics reported for suspected and confirmed cases of Rickettsia parkeri rickettsiosis in patients from Argentina and the United States, 2004–2009*

Clinical characteristic % Argentina patients, n = 10 % United States patients, n = 15
Fever 100 100
Inoculation eschar
90
93
Rash
Any type 100 87
Macules or papules 90 87
Vesicles or pustules 50 40
Petechiae 20 13
On palms or soles
20
43
Headache 90 80
Myalgias 70 80
Sore throat 30 NR†
Injected conjunctivae 10 NR
Lymphadenopathy 10 27
Diarrhea 10 0
Nausea or vomiting
0
7
Hospitalization 0 33
Death 0 0

*See (3,5,11).
†NR, not reported.

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