Newborns have immature immune system so they are more susceptible to infections and even they cannot easily respond to vaccines. Hepatitis B vaccine demonstrate to safety and efficacy to newborns. So effective vaccination at birth should be provided. Vaccines given at birth are Bacillus calmette-Guerin, Hepatitis B vaccine, Oral polio vaccine, pertussis vaccine. Peer review refers to the work done during the screening of submitted manuscripts and funding applications. This process encourages authors to meet the accepted standards of their discipline and reduces the dissemination of irrelevant findings, unwarranted claims, unacceptable interpretations, and personal views. Publications that have not undergone peer review are likely to be regarded with suspicion by academic scholars and professionals.