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Article ; Online: Seroprevalence of antibodies to SARS-CoV-2 among blood donors in the early months of the pandemic in Saudi Arabia.

Banjar, Ayman / Al-Tawfiq, Jaffar A / Alruwaily, Amaal / Alserehi, Haleema / Al-Qunaibet, Ada / Alaswad, Rehab / Almutlaq, Hind / Almudaiheem, Abdullah / Khojah, Abdullah T / Alsaif, Faisal / Almolad, Shaza Karim / Alqahtani, Saeed / AlJurayyan, Abdullah / Alotaibi, Abdullah / Almalki, Safar / Abuhaimed, Yousef / Alkhashan, Abdullah / Alfaifi, Amal / Alabdulkareem, Khaled /
Jokhdar, Hani / Assiri, Abdullah / Almudarra, Sami

International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases

2021  Volume 104, Page(s) 452–457

Abstract: ... of the COVID-19 pandemic in Saudi Arabia, the seroprevalence of antibodies to SARS-CoV-2 among blood donors was ... in Saudi Arabia.: Objective: To estimate the seroprevalence of anti-SARS-CoV-2 antibodies among blood donors ... data were analyzed for 837 adult blood donors, with no confirmed SARS-CoV-2 infection, in Saudi Arabia ...

Abstract Background: Serologic testing provides better understanding of SARS-CoV-2 prevalence and its transmission. This study was an investigation of the prevalence of antibodies to SARS-CoV-2 among blood donors in Saudi Arabia.
Objective: To estimate the seroprevalence of anti-SARS-CoV-2 antibodies among blood donors in Saudi Arabia during the early phase of the COVID-19 pandemic.
Methods: Serology results and epidemiological data were analyzed for 837 adult blood donors, with no confirmed SARS-CoV-2 infection, in Saudi Arabia from 20th to 25th May 2020. Seroprevalence was determined using electrochemical immunoassay to detect anti-SARS-CoV-2 antibodies.
Results: The overall seroprevalence of anti-SARS-CoV-2 antibodies was 1.4% (12/837). Non-citizens had higher seroprevalence compared with citizens (OR 13.6, p = 0.001). Secondary education was significantly associated with higher seroprevalence compared with higher education (OR 6.8, p = 0.005). The data showed that the highest seroprevalence was in Makkah (8.1%). Uisng Makkah seroprevalence as the reference, the seroprevalence in other areas was: Madinah 4.1% (OR 0.48, 95% CI 0.12-1.94), Jeddah 2.3% (OR 0.27, 95% CI 0.31-2.25), and Qassim 2.9 % (OR 0.34, 95% CI 0.04-2.89) and these were not statistically different from seroprevalence in the Makkah region.
Conclusions: At the early months of the COVID-19 pandemic in Saudi Arabia, the seroprevalence of antibodies to SARS-CoV-2 among blood donors was low, but was higher among non-citizens. These findings may indicate that non-citizens and less educated individuals may be less attentive to preventive measures. Monitoring seroprevalence trends over time require repeated sampling.
MeSH term(s) Adolescent ; Adult ; Aged ; Antibodies, Viral/blood ; Blood Donors ; COVID-19/epidemiology ; COVID-19/immunology ; Cross-Sectional Studies ; Female ; Humans ; Immunoassay ; Immunoglobulin G/blood ; Male ; Middle Aged ; SARS-CoV-2/immunology ; Saudi Arabia/epidemiology ; Seroepidemiologic Studies ; Young Adult
Chemical Substances Antibodies, Viral ; Immunoglobulin G
Language English
Publishing date 2021-01-16
Publishing country Canada
Document type Journal Article
ZDB-ID 1331197-9
ISSN 1878-3511 ; 1201-9712
ISSN (online) 1878-3511
ISSN 1201-9712
DOI 10.1016/j.ijid.2021.01.028
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Zs.A 4516: Show issues Location:
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ab Jg. 2022: Lesesaal (EG)
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