Phage therapy holds much promise as an alternative to antibiotics for fighting infection. However, this approach is no panacea as recent results show that a small fraction of cells survives lytic phage infection due to both dormancy (i.e. formation of persister cells) and resistance (genetic change). In this brief review, we summarize evidence suggesting phages induce the persister state. Therefore, it is predicted that phage cocktails should be combined with antipersister compounds to eradicate bacterial infections.
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