Skip directly to search Skip directly to A to Z list Skip directly to site content
CDC Home

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

Top of Page

USA.gov: The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Rd. Atlanta, GA 30333, USA
800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC–INFO