COVID-19 Clinical Trial
Official title:
Serologic Surveillance for SARS-CoV-2 (COVID-19) in a Prospective Cohort of Health Care
The investigators will follow a single prospective cohort of 50 Health Care Workers in the Hospital Italiano de Buenos Aires (Argentina) from May 15th to August 31st 2020 using antibody testing for SARS-CoV-2 IgM and IgG at baseline and every 2 weeks in order to assess the incidence of COVID-19, the prevalence of anti-SARS-CoV-2 antibodies (IgM and IgG) and incidence of reinfection or reactivations of previous COVID-19 using viral gene sequencing in this cohort.
SARS-CoV-2 infection in healthcare workers (HCW) is nowadays a frequent problem for patient care and organization of care teams. SARS-CoV-2 antibody assessment provides a tool to evaluate antibody prevalence in hospital staff identifying previously exposed individuals. Serologic testing could identify new cases of COVID-19 in an early fashion and could help to investigate cases of reactivation or reinfection in hospital workers. The study purpose is to conduct a study using serological screening for health care workers in a University Hospital in Buenos Aires in order to assess the risk of COVID-19 on those who have not developed an immune response against the virus, or to detect it in an early fashion (either pre-symptomatic or asymptomatic). If a study participant is suspected to have potential reinfection or reactivation of COVID-19, the investigators will conduct genome sequencing in order to be able to differentiate each case. The investigators will include 50 participants chosen at random among health care workers from the hospital Emergency Department (ED), Internal Medicine wards, or Critical Care Units who are exposed to COVID-19. Participants who agree to join the study and sign the informed consent form will be screened at baseline for SARS-CoV-2 IgM and IgG antibodies, along with a physical exam and basic laboratory determinations. They will be re-screened with antibodies every 2 weeks for a total of 3 months. If they contract COVID-19, antibody determinations and nasopharyngeal swabs will be carried out in order to identify those who are in favorable conditions to return to work. The main objective is to prospectively determine the incidence of COVID-19, Anti SARS-CoV-2 antibody prevalence, and incidence of SARS-CoV-2 reinfection or reactivation of COVID-19 in a health care workers cohort. ;
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