COVID-19 Among Healthcare Workers in Belgian Hospitals
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- STATUS
- Recruiting
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- participants needed
- 800
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- sponsor
- Sciensano
Summary
The novel SARS-CoV-2 (Severe Acute Respiratory Syndrome-associated Coronavirus type 2) is rapidly spreading over the world causing a condition called Coronavirus disease 2019 (COVID-19). Hospital health care workers (HCW) have received detailed instructions to protect themselves against this infection, but it is likely that at least some of the HCW will get infected either at their workplace or elsewhere. It would be useful to document prevalence and seroprevalence of SARS-CoV-2 and their monthly evolution among Belgian active hospital HCW during a period of 5 months starting beginning of April 2020 and the number of new cases (incidence) of COVID-19 and SARS-CoV-2 seroconversions among Belgian hospital HCW during a period of 5 months which are the primary objectives of this study.
Additionally the study will validate serological tests (subject to change/addition depending on the evolution of scientific research) against the plaque reduction neutralization test (PRNT) (gold standard); validate the saliva sample (sampling with Oracol or equivalent) against the standard naso/oro pharyngeal swabbing (NOPS) to perform RT-qPCR for SARS-CoV-2 diagnostic purposes, as well as against the standard serology (serum); validate the nasal swab against the standard (NOPS) to perform RT-qPCR for SARS-CoV-2 for diagnostic purposes; investigate potential risk factors for the infection; quantify the proportion of asymptomatic cases among new cases that develop during a period of 5 months; investigate virus shedding in urine, feces and sperm as well as cellular immune response (sub-study in the Antwerp region on volunteering SARS-CoV-2 positive HCW).
To reach these primary and secondary objectives the researchers will conduct a prospective cohort study in which a random selection of HCW currently working in Belgian hospitals will be tested monthly (with for the first month an additional testing point at 14 days). The testing will include four kind of laboratory tests, being; a molecular (PCR) test on a nasopharyngeal, a saliva and nasal sample (for nasal and saliva sample only testing until 50 PCR positive and 50 PCR negative samples are collected) and a serological test for which a blood sample is needed. To asses risk factors, at each testing point a questionnaire providing basic socio-demographic and health characteristics of the HCW including presence of symptoms since the previous testing point and the HCW's involvement in caring for COVID-19 patients will be completed.
Laboratory data and epidemiological data (questionnaire) will be collected simultaneously. In each of the participating hospitals, one contact person will be designated to coordinate the study locally (ideally a staff member of the local infection and prevention control team) and communicate with the researchers. The sample size calculation indicated the inclusion of 16 randomly selected Belgian hospitals and in each hospital 50 randomly selected HCW. HCW can only be enrolled in the study after give a written informed consent.
Laboratory testing will be performed at the Virology Diseases and Immune Response services of Sciensano, Ukkel, and the Virology Laboratory of the Institute of Tropical Medicine, Antwerp. The laboratory test results will be communicated by the laboratory to each participant. Each participant and sample will have a unique code assigned. Data collected through the questionnaire will be send psuedonymised (using the unique code) to the epidemiologist at Sciensano. The laboratory will prepare a list of test results by unique code to be linked for further analysis with the questionnaire data. None of the researchers who will analyse the data will be involved in data collection, nor in the care of COVID-19 patients.
This study is a Belgian multicentric study executed by Sciensano, Brussels, in collaboration with the Institute of Tropical Medicine, Antwerp.
Details
Condition | Covid 19, SARS-CoV-2 |
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Age | 18years - 100years |
Clinical Study Identifier | NCT04373889 |
Sponsor | Sciensano |
Last Modified on | 19 February 2024 |
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