What are the regulations for bacteriophage applications?

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Shahnaij Mohammad

Hope this link will help you out.

https://en.wikipedia.org/wiki/Phage_therapy

J. Harry Caufield

You may find the linked paper informative. The short answer (for the FDA and hence the USA, at least) is that it's a work in progress.

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3400130/