Citing fewer cases of the Zika virus, FDA released a guidance Friday (July 6) advising blood donation centers to take less burdensome measures to ensure donated whole blood and blood components are not carrying the Zika virus. Most notably, the agency is allowing blood centers to choose to test donations for Zika either on an individual basis or on a pooled basis. When Zika was more prevalent in the United States, FDA advised all blood centers to test individual donations,...