Workplace exposures associated with COVID-19: evidence from a case-control study with multiple sampling periods in England, August–October 2020

Hiironen, Iina; Saavedra-Campos, María; Panitz, Jennifer; Ma, Thomas; Nsonwu, Olisaeloka; Charlett, André; Hughes, G.; Oliver, Isabel

doi:10.1017/s0950268822000863

Cited by 4 publications

(4 citation statements)

References 21 publications

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“…Work in the health sector with contact to patients was associated with an increased risk of symptomatic SARS-CoV-2 infection, even though we excluded health care personnel who knew that they had had contact with COVID-19 patients without adequate personal protective equipment from our study. Our results confirm those of others who also observed an increased COVID-19 risk for health care workers [ 12 , 15 , 22 , 23 ]. We have no plausible explanation why working in a school, working in the retail sector, or privately taking care of a child (not living in the same household) were negatively associated with SARS-CoV-2 infection.…”

Section: Discussionsupporting

confidence: 92%

Case–control study of behavioural and societal risk factors for sporadic SARS-CoV-2 infections, Germany, 2020–2021 (CoViRiS study)

Rosner,

Falkenhorst,

Kumpf

et al. 2024

Epidemiol. Infect.

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During the COVID-19 pandemic in Germany, a variety of societal activities were restricted to minimize direct personal interactions and, consequently, reduce SARS-CoV-2 transmission. The aim of the CoViRiS study was to investigate whether certain behaviours and societal factors were associated with the risk of sporadic symptomatic SARS-CoV-2 infections. Adult COVID-19 cases and frequency-matched population controls were interviewed by telephone regarding activities that involved contact with other people during the 10 days before illness onset (cases) or before the interview (controls). Associations between activities and symptomatic SARS-CoV-2 infection were analysed using logistic regression models adjusted for potential confounding variables. Data of 859 cases and 1 971 controls were available for analysis. The risk of symptomatic SARS-CoV-2 infection was lower for individuals who worked from home (adjusted odds ratio (aOR) 0.5; 95% confidence interval (CI) 0.3-0.6). Working in a health care setting was associated with a higher risk (aOR: 1.5; 95% CI: 1.1-2.1) as were private indoor contacts, personal contacts that involved shaking hands or hugging, and overnight travelling within Germany. Our results are in line with some of the public health recommendations aimed at reducing interpersonal contacts during the COVID-19 pandemic. pharmaceutical interventions (NPIs) to limit person-to-person contacts and thereby reduce the number of new SARS-CoV-2 infections.In Germany, public health measures strongly affected various societal activities, for example, the closure of schools, restaurants/bars, and other venues where people get together, or restricting the number of participants in social gatherings. In addition, wearing face masks became mandatory in many situations, for example, when shopping in stores, using public transport, or visiting patients in hospitals and nursing homes. As general precautions, the Ministry of Health and public health authorities at national, state, and local levels promoted keeping physical distance to other people (at least 1.5 m), wearing face masks when in contact with other people, adhering to general hygienic measures (washing hands frequently and following good sneezing and coughing etiquette), and ensuring adequate ventilation in rooms with people [3,4]. In the beginning of the pandemic, when we planned this study, it was not clear which personal behaviours and activities might be associated with SARS-CoV-2 infections. The goal of the CoViRiS (Corona-Virus Risiko-und Schutzfaktoren) study was to determine the associations of a variety of behavioural and societal factors with the risk for sporadic symptomatic SARS-CoV-2 infections. Methods Study designOur study was designed as a case-control study. As cases we recruited adults with symptomatic SARS-CoV-2 infections (diagnosed by PCR) who were notified to a local health authority in Germany between November 2020 and November 2021 (sporadic cases only). As controls we recruited adults from the general population that were frequency-m...

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Section: Discussionsupporting

confidence: 92%

Case–control study of behavioural and societal risk factors for sporadic SARS-CoV-2 infections, Germany, 2020–2021 (CoViRiS study)

Rosner,

Falkenhorst,

Kumpf

et al. 2024

Epidemiol. Infect.

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“…Un estudio realizado en la Universidad de Bristol, en Inglaterra, reportó que el ser trabajador social o trabajar en el sector salud aumenta el riesgo de ser positivo para COVID-19 14 . Este hallazgo justifica la implementación de las estrategias orientadas a la protección de los trabajadores del sector salud frente a la pandemia del SARS-CoV-2.…”

Section: Discussionunclassified

Infección con SARS-CoV2, antes y después de la vacunación, en funcionarios de un hospital de mediana y alta complejidad.

Bergonzoli,

Tinoco,

Jaramillo

et al. 2023

Rev Fac Cien Med (Quito)

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Introducción: La pandemia de COVID-19 evidenció la importancia de los trabajadores esenciales de la salud. Objetivo: Estimar la ocurrencia de la infección por el virus Sars_CoV2 en funcionarios de un hospital, antes y después de implementación del programa de vacunación institucional y la fracción preventiva atribuible a la vacunación. Material y métodos: Estudio de cohorte histórica, teniendo como punto de inicio la fecha del primer funcionario diagnosticado con la Covid19 en el Hospital. Alrededor de mil trabajadores fueron examinados, durante el periodo de estudio comprendido entre junio de 2020 y octubre 2021. Se utilizó el estadístico de Kaplan-Meier, para comparar la velocidad de infección y la fracción preventiva atribuible al programa de vacunación. Resultados. Hubo diferencias estadísticamente significativas en la reducción de casos según tipo de trabajo, los trabajadores asistenciales experimentaron una reducción del 58,1%, de 124 a 52 y la diferencia en la mediana de la velocidad de infección, antes y después, Log Rank = 127,4 gl = 1 p = 0,000; los administrativos 51,7% de 29 a 14, mediana log Rank = 34,4 gl = 1 p = 0,000, y los operativos 45,5% de 11 a 6, mediana Log Rank = 13,5 gl = 1 p = 0,000. La fracción atribuible preventiva entre los asistenciales fue 47,5% (37,4–54,9); 85,2% (77,7–88,9) en administrativos y una reducción no significativa de 43,6% (-20,7, 63,2) en operativos. Conclusiones: Los trabajadores asistenciales tienen un riesgo alto de contraer la infección por Sars_CoV2. Fue una acertada decisión vacunar a todos los trabajadores del hospital, el impacto es demostrable.

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“…profession and occupational exposures, pre-existing health conditions). [35][36][37] Health and sexual behaviors and COVID-19 transmission in the cohort taking PrEP Participants taking PrEP who were seropositive for SARS-CoV-2 differed in some key health behaviors and attitudes. Lifetime u vaccine uptake was higher in the seronegative group (49% vs 38%), which may translate to their risk attitude and other health behaviors regarding infectious disease in general, known as the healthy vaccine effect.…”

Section: Differences In Sars-cov-2 Seropositivity Between the Cohort ...mentioning

confidence: 99%

Sexual behaviours among MSM during the first COVID-19 lockdown not associated with risk of COVID-19 infection

Farnham,

Frei,

Kopp

et al. 2024

Preprint

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Background: The social distancing measures associated with the COVID-19 pandemic had far reaching effects on sexual behavior worldwide. However, it remains unclear whether sexual contact with non-steady partners was a contributor to the spread of SARS-CoV-2. The aim of this study was to (i) assess whether the SARS-CoV-2 seropositivity after the first pandemic wave among people using HIV Pre-Exposure Prophylaxis (PrEP) in Zurich, Switzerland differed from that of a demographic matched population level comparison group, (ii) describe risk factors for SARS-CoV-2 seropositivity in this population, and (iii) determine whether sexual contact with non-steady partners was associated with SARS-CoV-2 seropositivity. Methods: The study was conducted between July 2020 and October 2020 as a nested cross-sectional study within two ongoing cohort studies, SwissPrEPared (all eligible PrEP users in Switzerland ≥18 years old) and Corona Immunitas (a series of cross-sectional and longitudinal studies measuring the SARS-CoV-2 seroprevalence across Switzerland, beginning in April 2020). All SwissPrEPared participants were recruited from Checkpoint Zurich (the main PrEP clinic in Zurich). Data were collected on participants’ SARS-CoV-2 antibody status, social characteristics and behavioral data after the first wave of the corona pandemic in Switzerland, and seroprevalence was compared with a propensity score-matched sample from the general Zurich population. Results: Of the 218 participants enrolled, 8.7% (n=19, 95% CI: 5.5-13.5%) were seropositive for SARS-CoV-2 during the first pandemic wave, higher than that of the general male population in Zurich aged 20-65 (5.5%, 95% CI: 3.8–8.2%). Participants on average reduced their social outings, but the seronegative were more socially active before, during, and after the first lockdown period. In a logistic model, increasing mean sexual partner count was not associated with seropositivity (OR: 0.9, 95% CI: 0.8, 1.0), but increasing number of trips abroad was associated with higher seropositivity (p=0.06, OR: 1.14, 95% CI: 1.0, 1.3). The estimated risk ratio for seropositivity for the participants compared to the general Zurich population after propensity score matching was 1.5 (95% CI: 0.53, 4.0). 94% of participants reported later receiving a COVID-19 vaccination. Discussion: Our study suggests that COVID-19 seropositivity was slightly elevated among people taking PrEP in Zurich during the first wave of the pandemic, but that socializing and sexual activity were less important than other factors in contributing to risk.

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Workplace exposures associated with COVID-19: evidence from a case-control study with multiple sampling periods in England, August–October 2020

Cited by 4 publications

References 21 publications

Case–control study of behavioural and societal risk factors for sporadic SARS-CoV-2 infections, Germany, 2020–2021 (CoViRiS study)

Case–control study of behavioural and societal risk factors for sporadic SARS-CoV-2 infections, Germany, 2020–2021 (CoViRiS study)

Infección con SARS-CoV2, antes y después de la vacunación, en funcionarios de un hospital de mediana y alta complejidad.

Sexual behaviours among MSM during the first COVID-19 lockdown not associated with risk of COVID-19 infection

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