Blood stream infections (BSIs) cause a complex cascade of inflammatory events, resulting in significant morbidity and mortality in children in Tanzania. This study was designed to delineate circulating bacterial species, antimicrobial resistance (AMR) profiles and risk factors for BSIs and mortality among children in the cascade of referral health care facilities so as to guide comprehensive BSIs management. | Deciphering risk factors for blood stream infections, bacteria species and antimicrobial resistance profiles among children under five years of age in NorthWestern Tanzania: A multicentre study in a cascade of referral health care system