Prevention Matters

The recent revelation of the first U.S. case of an especially drug-resistant form of tuberculosis is the result of a six-month study by the Associated Press of the "soaring global challenge of drug resistance."

"Today, all the leading killer infectious diseases on the planet — TB, malaria and HIV among them — are mutating at an alarming rate, hitchhiking their way in and out of countries," write AP reporters Margie Mason and Martha Mendoza. "The reason: Overuse and misuse of the very drugs that were supposed to save us."