Scandinavian journal of rheumatology · 2022
Presence of SARS-CoV-2 antibodies in patients with COVID-19 like symptoms from the IENIMINI cohort.
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van Ouwerkerk L, van der Woude D, Rispens T, Allaart C F, Huizinga Twj
Аннотация
OBJECTIVE: To evaluate the relationship between reported coronavirus disease 2019 (COVID-19)-like symptoms and the presence of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) antibodies in patients with an immune-mediated inflammatory disorder or post-solid organ transplantation (IMIDT) with and without immunosuppressive medication (imed) and controls.
METHOD: The IENIMINI cohort was a prospective cohort study set up in the Netherlands in March 2020, with 2 monthly (paper) or weekly (online) questionnaires about COVID-19-like symptoms. Participants from this cohort who reported these symptoms between March 2020 and November 2020 were approached for this substudy. SARS-CoV-2 antibodies were tested using a total antibody assay.
RESULTS: Of the 1203 participants approached, 629 agreed to participate and were sent a fingerprick test; 565 participants collected a capillary blood sample, of which 562 were usable. Analysis showed that 57/202 (28.2%) of the tested IMIDT group with imed, 48/16 3(29.4%) of the IMIDT group without imed, and 69/197 (35.0%) of the control group tested positive for SARS-CoV-2 antibodies. Seroprevalences of SARS-CoV-2 antibodies between males and females, biological disease-modifying anti-rheumatic drug users and non-users, and those who had had a serious disease period (defined as an episode with dyspnoea and fever) and those who had not, were not statistically different between the three groups.
CONCLUSIONS: Approximately 30% of patients who had reported COVID-19-like symptoms had SARS-CoV-2 antibodies. The seroprevalence of SARS-CoV-2 antibodies after reported COVID-19-like symptoms was similar in IMIDT patients with and without imed compared to controls.
METHOD: The IENIMINI cohort was a prospective cohort study set up in the Netherlands in March 2020, with 2 monthly (paper) or weekly (online) questionnaires about COVID-19-like symptoms. Participants from this cohort who reported these symptoms between March 2020 and November 2020 were approached for this substudy. SARS-CoV-2 antibodies were tested using a total antibody assay.
RESULTS: Of the 1203 participants approached, 629 agreed to participate and were sent a fingerprick test; 565 participants collected a capillary blood sample, of which 562 were usable. Analysis showed that 57/202 (28.2%) of the tested IMIDT group with imed, 48/16 3(29.4%) of the IMIDT group without imed, and 69/197 (35.0%) of the control group tested positive for SARS-CoV-2 antibodies. Seroprevalences of SARS-CoV-2 antibodies between males and females, biological disease-modifying anti-rheumatic drug users and non-users, and those who had had a serious disease period (defined as an episode with dyspnoea and fever) and those who had not, were not statistically different between the three groups.
CONCLUSIONS: Approximately 30% of patients who had reported COVID-19-like symptoms had SARS-CoV-2 antibodies. The seroprevalence of SARS-CoV-2 antibodies after reported COVID-19-like symptoms was similar in IMIDT patients with and without imed compared to controls.