Fig. 2From: Emerging environmental health risks associated with the land application of biosolids: a scoping reviewBiosolids from WWTPs used as agricultural soil fertilizer contain bacteria (green rectangles) with resistance plasmids (orange circles). These biosolids can spread the resistance plasmids further, and through direct or indirect routes transfer to human pathogen and commensal bacteria (red rectangles with black spikes) [18]Back to article page