EPGN and Ebola hemorrhagic fever: The Ebola virus disease(EVD) was one of the most severe epidemic outbreaks in West Africaduring 2013–2016, which was transmitted through over 28,599people and caused more than 11,299 deaths.177 Chen et al.185 reported a GFET biosensorfor real-time detection of Ebola glycoprotein (EPG) of the zaire strainwith a detection limit down to 1 ng/mL concentration.