Sinus infection affects others besides humans. I worked at a race track in Florida two years ago where the stables were plagued with a contagious plague of sinus infection in horses. The infection settled in the lungs and a breath inhibited horse cannot race. Panic set in as the Vets scrambled to find a cure that would save the horses and make them well for the track again. You can read the more at , http://remedy.n-ergetics.com/category/colloidal-silver
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