Covid-19 preparedness and response: experiences of the Nigerian Institute for Medical Research oleh Rosemary R. Audu, Chika K. Onwuamah, Azuka P. Okwuraiwe, Olufemi S. Amoo, Ayorinde B. James, Joseph O. Shaibu, Fehintola I. Ige, Aigbe G. Ohihoin, Agatha N. David, Gideon O. Liboro, Ebenezer O. Odewale, Judith Sokei, Chika L. Okoli, Dominic A. Achanya, Adesegun A. Adesesan, Bosede O. Amuda, Ponmak D. Jamda, Rahaman Ahmed, Muinah A. Fowora, Olugbenga O. Aina, Oliver C. Ezechi, Richard A. Adegbola, Babatunde L. Salako