Figure 1.

Main topics covered in the Special Issue “The century-long journey of peptide-based drugs”. This collection focused on the antimicrobial applicability of peptide-inspired therapeutics. On the left, the major thematic areas described in the two reviews published in the Special Issue are highlighted. On the right, the focus of the original articles is shown. The peptides in the centre underscore their protagonist roles in drug discovery programs focused on controlling infectious diseases caused by viruses, bacteria, fungi, and parasites.