SARS-CoV-2 PCR positivity rate and seroprevalence of related antibodies among a sample of patients in Cairo: Pre-wave 2 results of a screening program in a university hospital

Girgis SA, Hafez HM, Elarab HE, Sherif B, Sabry MH, Afifi I, Hassan FE, Reda A, Elsayed S, Mahmoud A, Habeb P, Habil IS, Hussein RS, Mossad IM, Mansour O, Omar A, Saleh AM, El-Meteini M. SARS-CoV-2 PCR positivity rate and seroprevalence of related antibodies among a sample of patients in Cairo: Pre-wave 2 results of a screening program in a university hospital. PLoS One. 2021; 16(7): e0254581.