Nigeria, Oct. 30 -- The most expensive thing in Nigeria is not petrol, not food or medicines, not even cement. It is memory loss - an epidemic that has obviously been escalated by screen addiction from its initial default mode of poor record-keeping and absence of institutional diligence.

Nigeria has met Ebola again. Not with the terror of 2014 - which has all but been forgotten - when a Liberian-American named Patrick Sawyer walked into Lagos carrying a virus and a stubborn disregard for other people's lives.

This time, it's with a quieter, more bureaucratic alarm - an imported case in Abuja, not from the West but from the east coast of Africa. A 42-year-old woman reportedly arrived from Uganda, developed symptoms four days later, soug...