Volume 21, Number 11—November 2015
Chikungunya Virus as Cause of Febrile Illness Outbreak, Chiapas, Mexico, 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.