This is why Penicillin didn't save its first patient
It's 90 years since Alexander Fleming discovered penicillin.
Mike Barrett is Professor of Biochemical Parasitology at the Wellcome Centre for Molecular Parasitology at the University of Glasgow. His research focuses on understanding how drugs kill parasites and how parasites become resistant to those drugs. He has a long-standing interest in the history of science and medicine and writes frequently for magazines, including the New Statesman.