Let me define insecurity in biological terms. Thieves as per kingdom animalia; are made of many cells. Pathogens in simple term; germs, are made of single cells. They both can cause pathological and physiological disablement with ultimate death at most.
So, what is been currently experiencing in Nairobi and some other urban centers is multicellular insecurity curbed by interior ministry. While, ministry of health which deals with unicellular insecurity had risen an alarm of cholera and ebola recently.