This illustration depicts a three-dimensional (3D) computer-generated image of a cluster of drug-resistant Campylobacter bacteria, which were arranged in a mass of curly-cue shaped organisms. The artistic recreation was based upon scanning electron micrographic imagery. Campylobacter usually causes diarrhea (often bloody), fever, and abdominal cramps, and sometimes causes serious complications such as temporary paralysis. Physicians rely on drugs like ciprofloxacin and azithromycin for treating patients with severe disease. Resistant infections sometimes last longer. Campylobacter has begun showing resistance to both of these drugs.