CCR2 and acrodermatitis enteropathica: <h4>Background</h4>The C-C motif chemokine ligand 2 (CCL2)-C-C chemokine receptor type 2 (CCR2) signaling axis is critically involved in angiogenesis and cellular invasion; however, the therapeutic potential of its targeted blockade on alveolar echinococcosis (AE) remains largely unexplored.