The majority of human infections with Campylobacter species are caused by:
a. direct contact with carriers of the bacte-rium.
b. contamination of food, milk, or water with animal feces.
c. multiplication of the organism in food products.
d. direct contact with persons infected with the bacterium.
B
Within the genus Campylobacter, C. jejuni and C. coli are most often associated with infections in humans and are usually transmitted via contaminated food, milk, or water. Outbreaks have been associated with contaminated drinking water and improperly pasteurized milk, among other sources.
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