Clinical and epidemiological characteristics of 646 hospitalised SARS-Cov-2 positive patients in Rivers State Nigeria: a prospective observational study oleh Datonye Alasia, Golden Owhonda, Omosivie Maduka, Ifeoma Nwadiuto, Godswill Arugu, Charles Tobin-West, Esther Azi, Victor Oris-Onyiri, Inwon Joseph Urang, Victor Abikor, Ayo-Maria Olofinuka, Obelebra Adebiyi, Abiye Somiari, Hope Avundaa, Alali Aloni