The transport medium that best preserves the viability of most intestinal bacterial pathogens is:
a. buffered glycerol.
b. rectal culture swab.
c. Cary-Blair.
d. Campylobacter thioglycollate broth.
C
If a delay longer than 2 hours is anticipated for stool for bacterial culture, then the specimen should be placed in transport medium. Cary-Blair transport medium best preserves the viability of intestinal bacterial pathogens, including Campylobacter and Vibrio spp.
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