Health authorities in Nigeria are sounding the alarm over rising cases of meningitis in several northern states, warning of an outbreak if not contained. The World Health Organization classifies meningitis as an epidemic-prone disease requiring immediate notification, investigation, and necessary action. Dr. Kachi Nwoga is an epidemiologist and Vice President- South, The Society for Environmental and Public Health of Nigeria. He tells VOA's Chinedu Offor, the country is struggling to deal with the outbreak following reported deaths in rural areas