Fig. 1From: Molecular characterization of invasive capsule null Neisseria meningitidis in South AfricaTransmission electron micrographs showing the presence of surface capsular polysaccharide for (a) Neisseria meningitidis serogroup W (ATCC 35559) and (b) absence of capsule for Neisseria lactamica (ATCC 23970). Clinical isolates from South Africa are depicted in (c) 29312 (d) 29306 (e) 41961 and (f) 41860. The scale bar represent 200 nmBack to article page