Zika virus's other looming threat - CNN.com www.cnn.com/2016/02/04/opinions/zika-guillan-barre-syndrome-vox/index.html At this time we have no other convincing explanation for the spike in these two conditions than the Zika virus. But while the WHO isn't ready to pass judgment on precisely what's to blame, (it specifies only "possible association with Zika virus") by citing Guillan Barre Syndrome, a debilitating neurological disorder, it has elevated our awareness of the threat posed by it.