Microbiology is one of the most important and popular fields of science that has always been the center of attraction among students worldwide. The reason why this field of biology appeals to so many people around the globe is because of the vast research options available in this extensive field. There is a wide plethora of flu and infections available in the world, some of which are not even known; this subject paves the way to the answers to several questions like this which make it an interesting discipline to study.