My wife is a teacher. She works with snot-nosed kids all the time. If it werent for oil of oregano & silver biotics our family would be constantly sick. I am prone to sinus infections because I am a smoker. So when I feel the sniffles coming on I take a teaspoon of silver biotics 2x a day. I also use a pump mister with a 50-50 solution of silver & water up the nose. It works great. I rarely need antibiotics any more and dont have to pay for a doctor visit.