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, Samia A.; Hafez, Hala M.; Elarab, Hoda Ezz; Sherif, Basma; Sabry, Moshira H.; Afifi, Iman; Hassan, Fatma Elzahraa; Reda, Amira; Elsayed, Shaimaa; Mahmoud, Asmaa; Habeb, Petra; Habil, Ihab S.; Hussein, Rasha S.; Mossad, Isis M.; Mansour, Ossama; Omar, Ashraf; Saleh, Ayman M.; El-Meteini, Mahmoud;
Abstract
Background: Research has revealed that asymptomatic and pre-symptomatic infections are important contributors to the transmission of SARS-CoV-2 in populations. In Egypt, the true prevalence of infections is veiled due to the low number of screening tests. The aim of this study was to determine the SARS-CoV-2 PCR positivity rate as well the seroprevalence of the SARS-CoV-2 antibodies before the ultimate development of a second wave of the epidemic in Cairo, Egypt. Methods: Our study was carried out between May 5 and the end of October 2020. It included all patients requiring admission to Ain Shams University hospitals. An interview questionnaire was used to collect demographic and clinical data. Laboratory tests for all participants included RT-PCR and total antibody assay for SARS-CoV-2. Results: A total of 4,313 subjects were enrolled in our study, with females representing 56% of the sample. Adults and middle-aged individuals represented around 60% of the study sample. The positivity rate of SARS-CoV-2 PCR was 3.84% (95% CI 3.29-4.48), and the SARSCoV-2 antibody seroprevalence was 29.82% (95% CI: 28.16-31.51). Males showed a higher risk for getting the COVID-19 infection, while middle-age group had significantly higher antibody seroprevalence rates. Conclusion: SARS-CoV-2 infection imposes a high burden on the community as detected by high seroprevalence rates.
Other data
Title | 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 | Authors | Girgis, Samia A.; Hafez, Hala M.; Elarab, Hoda Ezz; Sherif, Basma; Sabry, Moshira H.; Afifi, Iman ; Hassan, Fatma Elzahraa; Reda, Amira; Elsayed, Shaimaa; Mahmoud, Asmaa ; Habeb, Petra; Habil, Ihab S.; Hussein, Rasha S. ; Mossad, Isis M.; Mansour, Ossama ; Omar, Ashraf; Saleh, Ayman M.; El-Meteini, Mahmoud | Keywords | COVID-19 | Issue Date | 1-Jul-2021 | Publisher | PUBLIC LIBRARY SCIENCE | Journal | PLoS ONE | ISSN | 1932-6203 | DOI | 10.1371/journal.pone.0254581 | PubMed ID | 34265021 | Scopus ID | 2-s2.0-85110699197 | Web of science ID | WOS:000678120600050 |
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