Occurrence of Escherichia coli O157:H7 in cattle feces and contamination of carcass and various contact surfaces in abattoir and butcher shops of Hawassa, Ethiopia. - Atnafie, Biruhtesfa; Paulos, Degmawi; Abera, Mesele; Tefera, Genene; Hailu, Dereje; Kasaye, Surafel (BMC Microbiology, 2017)