Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
Volume 21, Number 11—November 2015

Chikungunya Virus as Cause of Febrile Illness Outbreak, Chiapas, Mexico, 2014

Tiffany F. Kautz1, Esteban E. Díaz-González1, Jesse H. Erasmus, Iliana R. Malo-García, Rose M. Langsjoen, Edward I. Patterson, Dawn I. Auguste, Naomi L. Forrester, Rosa Maria Sanchez-Casas, Mauricio Hernández-Ávila, Celia M. Alpuche-Aranda, Nikos VasilakisComments to Author , and Ildefonso Fernández-Salas
Author affiliations: University of Texas Medical Branch, Galveston, Texas, USA (T.F. Kautz, J.H. Erasmus, R.M. Langsjoen, E.I. Patterson, D.I. Auguste, N.L. Forrester, S.C. Weaver); Universidad Autónoma de Nuevo León, San Nicolás de los Garza, Mexico (E.E. Diaz-Gonzalez); Centro Regional de Investigación en Salud Pública, Tapachula, Mexico (I.R. Malo-García, I. Fernandez-Salas); Universidad Autónoma de Nuevo León, Escobedo, Mexico (R.M. Sanchez-Casas); Instituto Nacional de Salud Pública, Cuernavaca, México (M. Hernández-Ávila, C.M. Alpuche-Aranda)

Main Article


Proportions of CHIKV viremia and IgM in 119 serum samples collected at 3 collection sites in Chiapas, Mexico, October–December 2014*

Collection site No. serum samples % qRT-PCR positive serum samples (no.) Mean serum virus titer, log10 PFU/mL (±SD) % IgM-positive serum samples† (no.)
La Libertad 43 20 (9) 3.26 (0.57) 51.2 (22)
Ciudad Hidalgo 63 23.8 (15) 3.36 (0.56) 68.2 (43)
Tapachula 13 30.8 (4) 3.66 7.7 (1)

*CHIKV, chikungunya virus; qRT-PCR, quantitative reverse transcription PCR.
†Six patient samples that were negative for CHIKV by qRT-PCR were unable to be used for plaque assays or ELISAs because they were stored in MagnaPure Buffer (Roche, Nutley, NJ, USA).

Main Article

1These first authors contributed equally to this article.

Page created: October 19, 2015
Page updated: October 19, 2015
Page reviewed: October 19, 2015
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.