|Bacteria are the microscopic organisms that cause internal or external infections to human body. Some of the harmful bacteria are pathogenic and lethal. The species that caused infections are Escherichia coli, pseudomonas, streptococcus and many more. These communicable diseases are transferred to one another through variety of means such as food, air and water. Antibiotics have been used in the treatment of bacterial infections such as cholera, diphtheria, syphilis and meningitis. The work may be accepted, considered acceptable with revisions, or rejected. Peer review requires a community of experts in a given (narrowly defined) field, who are qualified and able to perform reasonably impartial review.