Containing COVID-19 in Nigeria: An appraisal of lockdown and surveillance at inter-state borders to control disease spread oleh Benedict Ndubueze Azuogu, Cosmas Kenan Onah, Emeka Onwe Ogah, Chinweoke Alfred Utulor, Osarhiemen Iyare, Azuka Stephen Adeke, Nkechi Elizabeth Ebere, Richard Ewah, Ugochukwu Uzodimma Nnadozie, Lawrence Ulu Ogbonnaya