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Year : 2021  |  Volume : 23  |  Issue : 2  |  Page : 171-177

Seroprevalence of SARS-COV2 antibodies among the serving personnel of south western command: A multi-centric study

1 Col Health, HQ SWC (Med),48 Field Health Organization, Bathinda, India
2 OC, 48 Field Health Organization, Bathinda, India
3 CPO, HQ SWC (Med), MH, Jaipur, Rajasthan, India
4 Sr Registrar, MH, Jaipur, Rajasthan, India
5 HQ 1 Corps (Med), MH, Hisar, Haryana, India
6 DADH, 42 Arty Div (Med), MH, Hisar, Haryana, India
7 CO, MH, Hisar, Haryana, India
8 DADH, 24 Inf Div (Med), MH, Kota, Rajasthan, India
9 CO, 184 MH, MH, Kota, Rajasthan, India
10 CO, MH, Kota, Rajasthan, India
11 Executive Director, National Health System Resource centre (NHSRC), New Delhi, India

Correspondence Address:
Lt Col (Dr) Kuntal Bandyopadhyay
48 Field Health Organization, Bathinda - 151 004, Punjab
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jmms.jmms_70_21

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Background: Serological diagnosis has become an important tool to understand the extent of COVID-19 in the community. Thus, this study was conducted to estimate the prevalence of SARS-CoV-2 antibodies and to analyze various characteristics (risk factors) associated with SARS-CoV-2 infection among serving personnel in a large geographical area straddling four North Indian states. Materials and Methods: This multicentric, cross-sectional analytical study was conducted among serving personnel in eight stations spread over Punjab, UP, Haryana, and Rajasthan in October-November 2020. A total of 3680 (410 × 8 = 3280 general participants and 50 × 8 = 400 purposive samples) individuals were enrolled and tested using IgG ELISA kit (in four stations) and RAPID CARD-based tests (in the rest four stations). Results: While the overall seroprevalence was found to be 16.57% (610/3680 participants being positive), the seropositivity was found to be 12.01% (10.92%–13.70%) and 54% (52.35%–56.45%) among the study participant's and purposive sampling groups, respectively. While statistically significant association was found between seronegativity and attending any lecture on COVID-19 before the survey (P < 0.001) or following recommended protocols for the prevention of COVID-19 (P < 0.001), a similar association was found between seropositivity and occupation with high exposure to serving personnel or civilians (P < 0.001), having close contact (less than one meter) with COVID-19 confirmed cases in the past (P < 0.001) and being tested positive for COVID-19 in the past (P < 0.05). Conclusion: Our study found a moderate overall seroprevalence with low seroprevalence in few stations and high in the rest.

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