2022
DOI: 10.31584/jhsmr.2021823
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Seroprevalence of Immunoglobulin G Antibody among Contacts of COVID19 Cases: A Study from India

Abstract: Objective: To estimate Covid19 seropositivity among contacts of cases and to compare the seropositivity among different types of contact for assessing the differential risk & transmission dynamics.Material and Methods: A large-scale population-based serosurvey was carried out among the general population of Ahmedabad during the second half of October 2020. The contacts of cases were selected based on the population proportion and enrolled as an additional category. The seropositivity among the contacts was… Show more

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“…Acting upon these guidelines, the health department of the Ahmedabad Municipal Corporation (AMC) has already completed three serosurveys during 2020 in the months of June, August, and October. Apart from the general population, the second and third serosurveys also covered cases, contacts, and healthcare workers (HCWs) as additional separate categories and all these results have been documented widely [7][8][9][10][11][12][13][14][15][16]. The seroprevalence for the immunoglobulin G (IgG) antibodies against SARS-CoV2 among the general population in these three serosurveys was 17.61%, 23.24%, and 24.20%, respectively [7,8,13].…”
Section: Introductionmentioning
confidence: 99%
“…Acting upon these guidelines, the health department of the Ahmedabad Municipal Corporation (AMC) has already completed three serosurveys during 2020 in the months of June, August, and October. Apart from the general population, the second and third serosurveys also covered cases, contacts, and healthcare workers (HCWs) as additional separate categories and all these results have been documented widely [7][8][9][10][11][12][13][14][15][16]. The seroprevalence for the immunoglobulin G (IgG) antibodies against SARS-CoV2 among the general population in these three serosurveys was 17.61%, 23.24%, and 24.20%, respectively [7,8,13].…”
Section: Introductionmentioning
confidence: 99%