Volume 21, Number 11—November 2015
Dispatch
Chikungunya Virus as Cause of Febrile Illness Outbreak, Chiapas, Mexico, 2014
Table
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).
1These first authors contributed equally to this article.
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Page updated: October 19, 2015
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