Volume 22, Number 7—July 2016
Research
High Incidence of Chikungunya Virus and Frequency of Viremic Blood Donations during Epidemic, Puerto Rico, USA, 2014
Table 1
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.
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