Table 3

Comparison of cumulative numbers of CZS reported to PAHO/WHO and those predicted by Zhang et al in spread of Zika virus in Latin America and the Caribbean14

Predicted number by December 2017Reported to PAHO/WHO by January 2018
First trimester risk (per 1000)
9.521.945.2
Brazil1297 (1190–1428)2991 (2744–3291)6173 (5664–6792)2952
Colombia219 (194–248)504 (447–572)1041 (922–1180)248
Mexico314 (226–367)723 (522–845)1493 (1077–1744)20
Puerto Rico19 (13–26)43 (29–60)86 (60–124)47
El Salvador39 (32–47)91 (75–108)187 (154–223)4
Honduras144 (124–163)332 (286–376)686 (590–775)8
Haiti316 (276–357)728 (637–824)1502 (1315–1700)1
Venezuela271 (237–308)624 (546–711)1288 (1127–1468)0
  • CZS, congenital Zika syndrome; PAHO, Pan American Health Organization.