By Patrick C Ezie Since the beginning of time and as long as man has existed, things have existed, which have the ability to kill man, not just from the adverse threats from harsh weather, starvation, flood, and wild animals which plagued the early man but from a unique kind of organism too small to be visualized by the human eyes, organisms which with the progress of scientific development, will become identified as microbes and the harmful categories of these microbes further identified and termed pathogens (a bacterium, virus, or other microorganism that can cause disease). These organisms are present all around us and have the ubiquitous nature of sometimes surviving and thriving in the air, water, soil, and even in the human body where a continuous battle ranges daily between the body defenses and these pathogens. The result of these microscopic confrontations are a change in the normal functions of…