UPVOTING ANSWER
Based on this passage, what is campylobacter?

Physicians rely on drugs like ciprofloxacin and azithromycin for treating patients with severe disease…. Campylobacter is estimated to cause approximately 1.3 million infections, 13,000 hospitalizations, and 120 deaths each year in the United States. The CDC is seeing resistance to ciprofloxacin in almost 25 percent of campylobacter tested and resistance to azithromycin in about 2 percent.

A. a drug-resistant bacteria

B. an antibiotic

C. a drug that targets specific types of bacteria

D. a test to identify drug-resistant bacteria