Fig. 1From: Isolation of nanomolar scFvs of non-human primate origin, cross-neutralizing botulinum neurotoxins A1 and A2 by targeting their heavy chainScheme of macaque hyper-immunization and bone marrow sampling. a Scheme of macaque hyper-immunization. Four injections of the immunogen were performed, and sera were sampled to estimate the immunization titer. b Scheme of the bone marrow sampling, from 4 days before the first immunization up to 24 days after the lastBack to article page