Covid19 Clinical Trial
Official title:
Study to Find the Percentage of Cases Retaining COVID-19 IgG Antibodies 45-65 After They Have Tested Positive
As a serosurveillance measure asymptomatic employees of an industrial workforce Jamshedpur (India) were tested for COVID-19 IgG antibodies. Of the tested employees who were positive for COVID-19 IgG antibodies the study aimed to find the percentage of cases who retained their COVID-19 IgG antibodies 45-65 days after initially testing positive.
As a serosurveillance measure, 3296 asymptomatic employees of an industrial workforce Jamshedpur (India) were tested for COVID-19 IgG antibodies specific for the spike subunit antigen by the ErbaLisa COVID-19, Erba Corporate Services (United Kingdom) between 28th June and 15th July 2020. The cases who tested positive for COVID-19 IgG antibodies were repeat tested for the presence of COVID-19 IgG at 45-65 days after initially testing positive. This was done with the aim of finding out the percentage of cases retaining their IgG antibodies at 45-65 days of initially testing positive. ;
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