Between April 1 and May 15 of one year, 22 children in three states developed diarrhea, fever and vomiting. The children each received pet ducklings....

#2: Between April 1 and May 15 of one year, 22 children in three states developed diarrhea, fever and vomiting. The children each received pet ducklings. Gram negative, Facultatively anaerobic bacteria were isolated from both the patients' and ducks' feces; the bacteria were identified as serovar C. What is the genus of these bacteria?#3: A woman complaining of lower abdominal pain with a temperature of 39 degrees C gave birth soon after to a stillborn baby. Blood cultures from the infant revealed gram positive rods. The women had a history of eating unheated hot dogs during her pregnancy. Which organism is most likely involved?