Abstract
The emergence and re-emergence of viral pathogens capable of causing epidemics or pandemics pose a serious healthcare burden. Small molecule antivirals used in conventional therapy have given rise to the severe problem of viral resistance against them. Peptides are generally considered safe, effective and are less likely to induce viral resistance. Antiviral peptides can be identified from screening of phage display of combinational peptide libraries, peptide array libraries or designed against viral targets. Limitations of peptides such as bioavailability can be improved with chemical modifications. Nanotechnology can further improve the stability of peptides in systemic circulation and enhance the antiviral activity of peptides, making them an appealing therapeutic option.
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