Between April 1 and May 15 of one year, 22 children in three

Last updated: 8/2/2022

Between April 1 and May 15 of one year, 22 children in three states developed diarrhea, fever, and vomiting. The children had each received pet ducklings. Gram-negative, facultative anaerobic bacteria were isolated from both the patients' and the duck's feces; the bacteria were identified as serovar C2. What is the genus of these bacteria? Staphylococcus Listeria Salmonella Escherichia Clostridium