> They ought to be removed from the sewage by treatment. The bacteries were found in a sewage treatment plant. Even if you assume that there's a practical way

> They ought to be removed from the sewage by treatment. The bacteries were found in a sewage treatment plant. Even if you assume that there's a practical way to get rid of the anitbiotics at the plant (enzymes, maybe?), the bugs and drugs were in the sewage all along up to that point, allowing AB resistance to develop in the pipes upstream.