But there are other means to...I mean, they're engineering them. Whether it's pig farms or cattle farms or whatever, sewage containment and control in terms of environmental protection is another issue. It may be useful, but again, the studies to this point are, for instance, is it sufficient to actually make a difference? Are there other things that are more efficient? Are bacteriophages more efficient?
On June 10th, 2010. See this statement in context.