Steffanie Strathdee is a successful infectious disease epidemiologist and her husband Thomas Patterson is an evolutionary sociobiologist and experimental psychologist. But their expertise was no match for an antibiotic-resistant superbug that plagued Patterson and his health. They talk to Nam Kiwanuka about his treatment and recovery, the topic of their book, "The Perfect Predator: A Scientist's Race to Save Her Husband from a Deadly Superbug."