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Volume 22, Number 7—July 2016

High Incidence of Chikungunya Virus and Frequency of Viremic Blood Donations during Epidemic, Puerto Rico, USA, 2014

Graham SimmonsComments to Author , Vanessa Brès, Kai Lu, Nathan M. Liss, Donald J. Brambilla, Kyle R. Ryff, Roberta Bruhn, Edwin Velez, Derrek Ocampo, Jeffrey M. Linnen, Gerardo Latoni, Lyle R. Petersen, Phillip Williamson, and Edward L. Murphy
Author affiliations: Blood Systems Research Institute, San Francisco, California, USA (G. Simmons, K. Lu, N.M. Liss, R. Bruhn, M.P. Busch); University of California, San Francisco (G. Simmons, M.P. Busch); Hologic, Inc., San Diego, California, USA (V. Brès, D. Ocampo, J.M. Linnen); RTI International, Rockville, Maryland, USA (D.J. Brambilla); Puerto Rico Department of Health, San Juan, Puerto Rico, USA (K.R. Ryff); Banco de Sangre de Servicios Mutuos, San Juan, Puerto Rico, USA (E. Velez, G. Latoni); Centers for Disease Control and Prevention, Fort Collins, Colorado, USA (L.R. Petersen); Creative Testing Solutions, Tempe, Arizona, USA (P.C. Williamson)

Main Article

Table 1

Nucleic acid amplification testing for chikungunya virus in minipools of blood donations during a chikungunya epidemic, Puerto Rico, USA, 2014

Month No. reactive minipools/no. tested (%) Infection rate* (upper limit), %
June 0/106 (0.0) 0.0 (0.00)
July 8/193 (4.1) 0.26 (0.50)
August 26/293 (8.9) 0.58 (0.83)
September 51/262 (19.5) 1.34 (1.75)
October 57/299 (19.1) 1.31 (1.69)
November 12/243 (4.9) 0.32 (0.54)
December 7/272 (2.6) 0.16 (0.32)
Total 161/1,668 (9.7) 0.65 (0.93)

*In individual donors on the basis of minipools of 16 samples.

Main Article

Page created: June 14, 2016
Page updated: June 14, 2016
Page reviewed: June 14, 2016
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