Zika virus RNA detection in asymptomatic blood donors during an outbreak in the northeast region of São Paulo State, Brazil, 2016 - Slavov, Svetoslav N.; Hespanhol, Marta R.; Rodrigues, Evandra S.; Levi, José E.; Ubiali, Eugênia M. A.; Covas, Dimas Tadeu; Kashima, Simone (Transfusion, 2017)