Diphtheria: Epidemiologist urges vigilance, prompt medical attention in Gombe By Hajara Leman Gombe State Epidemiologist, Dr Nuhu Bile, has expressed concern over reported cases of diphtheria among children in the state and urged parents to be vigilant. He made the call in an interview with the News Agency of Nigeria (NAN) in Gombe on Friday and urged parents to News Agency of Nigeria