10.22376/ijpbs.2019.10.1.p1-12 Volume 2 Issue 4 2011 (October - December) A well known adverse effect of the use of antibiotics as growth promoters/ chemotherapeutics often used indiscriminately for controlling infections is the emergence of antibiotic resistance strains, referred to as 'superbugs'. Antibiotic resistance is of great concern for scientists and medical professionals across the globe, and accordingly WHO recommends the use of alternative methods in order to curb the further emergence of antibiotic resistance strains. One such alternative and promising emerging concept is that of 'probiotics'. Probiotics have been found to have protective effects on infectious agents like lessThan i greaterThan Salmonella lessThan /i greaterThan , lessThan i greaterThan E. coli lessThan /i greaterThan , lessThan i greaterThan Shigella lessThan /i greaterThan , lessThan i greaterThan Klebsiella lessThan /i greaterThan , lessThan i greaterThan Proteus lessThan /i greaterThan and many others in various lessThan i greaterThan in vitro lessThan /i greaterThan and lessThan i greaterThan in vivo lessThan /i greaterThan studies which have been reviewed in this article. Bharat Mengi, S.K.Kotwal And Maninder Singh Probiotic, Lactobacillus, Saccharomyces, Salmonella, E. coli. 119-134