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Volume 10, Number 7—July 2004
Dispatch

Family Cluster of Mayaro Fever, Venezuela

Jaime R. Torres*Comments to Author , Kevin L. Russell†, Clovis Vasquez‡, Robert B. Tesh§, Rosalba Salas¶, and Douglas M. Watts§
Author affiliations: *Universidad Central de Venezuela, Caracas, Venezuela; †U.S. Naval Health Research Center, San Diego, California, USA; ‡Ministry of Health and Social Welfare, Caracas, Venezuela; §University of Texas Medical Branch at Galveston, Galveston, Texas, USA; ¶Caribbean Epidemiology Centre, Republic of Trinidad and Tobago

Main Article

Table

Mayaro and Venezuelan equine encephalitis viral IgM and IgG antibodies demonstrated by an antibody-capture ELISA in serum samples obtained from three Venezuelan family membersa

Patient Antibody titersb
Convalescent-phasec
 Late convalescent–phased
MAYV
 VEEV
 MAYV
 VEEV
IgM IgG IgM IgG IgM IgG IgM IgG
1
 3,200
 12,800
 0
 400
 0
 12,800
 0
 400
2
 6,400
 12,800
 0
 800
 0
 12,800
 0
 800
3 6,400 6,400 0 400 0 6,400 0 100

aMAYV, Mayaro virus; VEEV, Venezuelan equine encephalitis virus; IgM, IgG, immunoglobulin M, G; ELISA, enzyme-linked immunosorbent assay.
bReciprocal of highest serum dilution at which a positive result occurred.
cThree months after onset of illness.
dSix months after onset of illness.

Main Article

Page created: January 27, 2011
Page updated: January 27, 2011
Page reviewed: January 27, 2011
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