Are phages our best bet against antibiotic-resistant bacteria?

Bacteriophages, or simply phages, are viruses that infect and replicate within bacteria, and they hold considerable potential for combatting antibiotic-resistance and other threats to human health. Timed with the hundredth anniversary of their discovery, a new review examines the challenges and opportunities of developing phages as health-promoting, commercially-viable biopharmaceuticals.