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. Most of the communicable diseases occur in African countries. The top open access journals are freely available on the public internet domain, allowing any end users to read, download, copy, distribute, prink, search or link to the full texts of the articles. These provide high quality, meticulously reviewed and rapid publication, to cater the insistent need of scientific community. These journals are indexed with all their citations noted. The top open access journals are indexed in SCOPUS, COPERNICUS, CAS, EBSCO and ISI.