Fig. 4From: Specific anti-SARS-CoV-2 S1 IgY-scFv is a promising tool for recognition of the virusReactivity of IgY-scFv to S1 protein analyzed by phage ELISA. 1–10, scFv antibodies from randomly selected clones from the fourth bio-panning. Negative control sample (NC), PBS. Blank control sample (BC), CBSBack to article page