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Risk factors for novel corona virus (COVID-19) re-infections among health care workers at tertiary care center: A case control study
NeuroQuantology ; 20(8):8231-8242, 2022.
Article in English | EMBASE | ID: covidwho-2033469
ABSTRACT

Introduction:

Healthcare Workers (HCWs) are repeatedly exposed to SARS-CoV-2 (Severe Acute Respiratory Syndrome Corona Virus 2) or the COVID-19 virus. This study aimed to identify factors associated with SARS-CoV-2 re-infection among HCWs in a tertiary care centre.

Methods:

We conducted a case–control study. Cases were defined as those with a second positive reverse transcription-polymerase chain reaction (RT-PCR) report after a symptom free period of atleast 30 days after previous positive RT-PCR report and controls were those with a single covid-19 episode (RTPCR positive) during Aug-2020 to Jul-2021. All HCWs (second positive report) were included as cases and matched controls (age, gender) recruited in 12 ratio. They were interviewed using a google form and clarifications (if any) were obtained on phone. Analyses were performed using logistic regression models.

Results:

A total of 53 cases and 110 controls were included. Age>50 (AOR-1.63 95%CI-1.06-5.59), Men (AOR-4.13 95% CI-1.70–10.05), Nurses (AOR-11.24 95% CI-1.05–119.63), not using N95(AOR-2.89 95% CI-1.02–5.05), Diabetic (AOR-3.51 95%CI-2.01-8.73) and inadequate use of personal protective equipment or PPE (AOR 4.82 95% CI 1.18–19.65) were identified as risk factors. Conversely, graduate (AOR 0.06 95% CI 0.01–0.53) and postgraduate (AOR-0.05 95% CI-0.005–0.7) education, feeling scared or nervous (AOR-0.45 95% CI-0.22–0.91), not always wearing any gloves, caps and goggles/face shields (AOR 0.10 95% CI-0.02–0.41), hand hygiene (AOR-0.42 95% CI-0.1-0.94) and consistent use of N95 masks or double masking (AOR-0.27 95% CI-0.09–0.80) even outside the workplace were protective factors.

Conclusion:

Study highlights protection provided by high-performance filtering masks or double masking among HCWs. These modifiable risk factors should be considered while designing, implementing, and monitoring COVID-19 biosafety protocols.
Keywords

Full text: Available Collection: Databases of international organizations Database: EMBASE Type of study: Observational study / Prognostic study Language: English Journal: NeuroQuantology Year: 2022 Document Type: Article

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Full text: Available Collection: Databases of international organizations Database: EMBASE Type of study: Observational study / Prognostic study Language: English Journal: NeuroQuantology Year: 2022 Document Type: Article