Volume 23, Number 5—May 2017
Research
Use of Blood Donor Screening Data to Estimate Zika Virus Incidence, Puerto Rico, April–August 2016
Table 1
Characteristics of blood donors screened for Zika virus infection with cobas Zika ID-NAT at BSIS and ASEM, Puerto Rico, April 3–August 12, 2016*
Characteristic | Total donors screened, no. (%) | Presumptive viremic donors, no. (%) |
---|---|---|
Total |
21,468 (100) |
190 (100) |
Sex | ||
M | 14,407 (67.1) | 142 (74.7) |
F |
7,061 (32.9) |
48 (25.3) |
Age at donation, y | ||
16–29 | 4,313 (20.1) | 39 (20.5) |
30–44 | 7,179 (33.4) | 51 (26.8) |
45–59 | 7,046 (32.8) | 67 (35.3) |
60–74 | 2,751 (12.8) | 31 (16.3) |
>75 |
179 (0.8) |
2 (1.1) |
Month of donation | ||
April | 4,339 (20.2) | 14 (7.4) |
May | 4,891 (22.8) | 33 (17.4) |
June | 5,602 (26.1) | 67 (35.3) |
July | 4,773 (22.2) | 56 (29.5) |
August |
1,863 (8.7) |
20 (10.5) |
Region of residence | ||
Aguadilla | 751 (3.5) | 9 (4.7) |
Arecibo | 1,883 (8.8) | 15 (7.9) |
Bayamón | 4,797 (22.3) | 45 (23.7) |
Caguas | 4,359 (20.3) | 19 (10.0) |
Fajardo | 979 (4.6) | 2 (1.1) |
Mayagüez | 917 (4.3) | 2 (1.1) |
Metro/San Juan | 6,081 (28.3) | 84 (44.2) |
Ponce |
1,701 (7.9) |
14 (7.4) |
Donation type | ||
First-time | 20,912 (97.4) | 168 (88.4) |
Repeat | 556 (2.6) | 22 (11.6) |
*Data for August 1–August 12, 2016 available only for BSIS. cobas Zika, Roche Molecular Systems, Inc., Pleasanton, CA, USA. ASEM, Banco de Sangre del Centro Médico de la Administración de Servicios Médicos; BSIS, Banco de Sangre de Servicios Mutuos; ID-NAT, individual nucleic acid testing.