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Seroprevalence of antibodies to SARS-CoV-2 and predictors of seropositivity among employees of a teaching hospital in New Delhi, India.
Sharma, Pragya; Chawla, Rohit; Bakshi, Ritika; Saxena, Sonal; Basu, Saurav; Bharti, Pradeep Kumar; Dhuria, Meera; Singh, S K; Lal, Panna.
  • Sharma P; Department of Community Medicine, Maulana Azad Medical College, New Delhi, India.
  • Chawla R; Department of Microbiology, Maulana Azad Medical College, New Delhi, India.
  • Bakshi R; Department of Community Medicine, Maulana Azad Medical College, New Delhi, India.
  • Saxena S; Department of Microbiology, Maulana Azad Medical College, New Delhi, India.
  • Basu S; Department of Community Medicine, Maulana Azad Medical College, New Delhi, India.
  • Bharti PK; Department of Microbiology, Maulana Azad Medical College, New Delhi, India.
  • Dhuria M; Division of Epidemiology, National Centre for Disease Control, Delhi, India.
  • Singh SK; Division of Epidemiology, National Centre for Disease Control, Delhi, India.
  • Lal P; Department of Community Medicine, Maulana Azad Medical College, New Delhi, India.
Osong Public Health Res Perspect ; 12(2): 88-95, 2021 Apr.
Article in English | MEDLINE | ID: covidwho-1227265
ABSTRACT

OBJECTIVE:

Healthcare workers (HCWs) are at a high risk of contracting severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) due to the increased likelihood of clinical exposure during patient management. The study objective was to determine the seroprevalence of antibodies to SARS-CoV-2 and its predictors among hospital employees.

METHODS:

The cross-sectional study was conducted at a teaching hospital from August 2020 to September 2020 among 1,401 employees, including 1,217 HCWs, in New Delhi, India. The serum samples were examined for immunoglobulin G (IgG) antibodies to SARS-CoV-2 using the COVID Kavach-Anti-SARS-CoV-2 IgG Antibody Detection enzyme-linked immunosorbent assay kit. Data were collected electronically using the EpiCollect mobile platform. A p < 0.05 was considered to indicate statistical significance.

RESULTS:

A total of 169 participants (12.1%) had detectable IgG antibodies to SARS-CoV-2. The highest seropositivity rate was observed in the administrative staff (20.1%), while it was lowest among medical doctors (5.5%, p < 0.001). Male sex and ever having lived in a containment zone were independently associated with past infection with SARS-CoV-2.

CONCLUSION:

The seroprevalence of SARS-CoV-2 infection in health workers may be lower than in the general population in New Delhi. However, nonpharmaceutical interventions were not associated with a reduction in the risk of acquisition of SARS-CoV-2.
Keywords

Full text: Available Collection: International databases Database: MEDLINE Type of study: Observational study / Prognostic study / Randomized controlled trials Language: English Journal: Osong Public Health Res Perspect Year: 2021 Document Type: Article Affiliation country: J.phrp.2021.12.2.06

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Full text: Available Collection: International databases Database: MEDLINE Type of study: Observational study / Prognostic study / Randomized controlled trials Language: English Journal: Osong Public Health Res Perspect Year: 2021 Document Type: Article Affiliation country: J.phrp.2021.12.2.06