Refer to the CDC Antibiotic Resistance Threats in the United States, 2013 PDF for a complete version of this text.

Based on this passage, what is azithromycin?

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 disease that can cause paralysis

a lab procedure to identify drug-resistant microbes

a blood infection

an antibiotic