Fighting Infections in Post-antibiotic World

Scientists say due to indiscriminate use of antibiotics, for treating even minor infections, many bacteria have developed strong immunity against this type of drug. In their words, we may have already entered the 'post-antibiotic era,' with previously non-life-threatening infections becoming fatal. Researchers at Rockefeller University in New York say an enzyme called lysin may prove to be crucial in this new battle against infection. VOA’s George Putic has more.