Review Articles and Original Research Articles Guidlines to Authors Welcome to the World of Microbiology Microbiology  (from  Greek  μῑκρος,  mīkros , "small"; βίος,  bios , " life "; and -λογία,  -logia ) is the study of  microorganisms , which are  microscopic ,  unicellular , and cell-cluster  organisms . [1]  This includes  eukaryotes  such