According to Natural News colloidal silver kills pathogen and promotes rapid healing. I have read about it a few times. I have read that some folks have been able to kill even mrsa with it. I know it is used for burns a lot. Might be a good thing to have in your first aid kit and bug out bag for just in case.
Ten ways to use colloidal silver’s amazing healing abilities
Here is a video where he explains how it kills MRSA
Ultra Colloidal Silver Gel, 4 oz (113.3 g)