A patient presents with bloody diarrhea after eating undercooked meat. Which bacterial pathogen is most likely?
ASalmonella typhi
BShigella dysenteriae
CVibrio cholerae
DEscherichia coli O157:H7
A 34-year-old woman is at a family picnic where she has a ham sandwich and potato salad. Three hours after the meal, she feels nauseous and throws up.For the above patient with foodborne illness, select the most likely pathogen.
AStaphylococcus aureus
BC perfringens
CVibrio parahaemolyticus
DShigella
What factors determine the behavior of a disease in a community?
AInfectiousness of the disease
BPopulation density
CHygiene standards
DAll of the above
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