The rodents in the study got their silver by injection. Don't know whether ingesting the silver would also work, but one way to do that would be by eating Indian sweets with that thin silver foil. But according to this, you can't always trust that stuff:
https://en.wikipedia.org/wiki/Vark
Whoa! I'd rather take my chances with the antibiotics alone, after reading that. The best policy, methinks, is still not to catch anything.
