Superbugs are getting more powerful

Researchers find second U.S. case of bacteria resistant to last-resort antibiotic.

Antibiotics 101

A brief history and a primer on why they're so important.

Kids at growing risk of deadly ‘superbug’ infection

Researchers aim to halt spread of antibiotic-resistant bacteria.

New antibiotic-resistant ‘superbug’ emerges

CDC researchers find infections in every city they check.