I've questioned this before.  I'd be more inclined to say it was the EIS that 
worked alone, besides, how could they possibly determine or distinguish between 
the EIS and the antibiotic to result in the EIS making the antibiotic more 
effective?
I'm sticking to my inclination anyway <thumb up>.
N.

From: [email protected]
Date: Sun, 2 Nov 2014 04:36:22 -0500
To: [email protected]
Subject: CS>Silver Makes Antibiotics Thousands of Times More Effective - 
Scientific American


http://www.scientificamerican.com/article/silver-makes-antibiotics-thousands-of-times-more-effective/

When small men begin to cast big shadows, it means that the sun is about to 
set. -- Lin Yutang