Malawi's antibiotic crisis

Since the discovery of penicillin in 1928, antibiotics have revolutionized the way infections are treated. But in recent years, a worrying phenomenon has emerged. Some bacteria are developing a resistance to antibiotics - meaning that some medications are no longer effective. More worrying still is that the misuse of antibiotics and their illegal availability is accelerating the process. The World Health Organisation says it's now one of the biggest threats to global health.Rhoda Odhiambo investigates for Life Clinic