Healthcare associated coronavirus disease 2019 among health care workers in Normandy, France: a multi-center study

Thibon, Pascal; Breton, P.; Mouet, Audrey; Bidon, Antoine; Haupais, François; Darrigan, Caroline; Gautier, P.; Letourneur, Thomas; Perillieux, Emeline; Seguineau, Charles; Thibon, P; Henry, Liliane; Gouilh, Meriadeg Ar; Hello, Simon Le; Allaire, Alexandra; Auclair, Valérie; Krug, Sophie Beuve; Borderan, Guy-Claude; Chauvin, Corine; Dargère, S.; Degallaix, D.; Delhomme, J.; Érouart, Stéphane; Hautemanière, Alexis; Ionescu, P.; Foulon, François-Xavier Le; Lefflot, Stéphanie; Lefol-Seillier, Elisabeth; Levallois, Marie-Line; Martel, Mélanie; Michon, J.; Olliver, Dominique; Thomas-Hervieu, A.; Vabret, Astrid; Vaucelle, Carole; Verdon, Renaud

doi:10.1016/j.infpip.2020.100109

Cited by 7 publications

(9 citation statements)

References 32 publications

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“…For instance, training on how to use personal protective equipment is important and studies have shown that in hospitals, the workers who were not assigned to the care of COVID-19 patients were those most affected by the virus. 22 Furthermore, residents may display a variety of symptoms in response to SARS-CoV-2 infection 11 and can also refuse to wear masks.…”

Section: Discussionmentioning

confidence: 99%

Analysing different exposures identifies that wearing masks and establishing COVID-19 areas reduce secondary-attack risk in aged-care facilities

Reyné

Selinger

Sofonea

et al. 2021

International Journal of Epidemiology

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Background The COVID-19 epidemic has spread rapidly within aged-care facilities (ACFs), where the infection-fatality ratio is high. It is therefore urgent to evaluate the efficiency of infection prevention and control (IPC) measures in reducing SARS-CoV-2 transmission. Methods We analysed the COVID-19 outbreaks that took place between March and May 2020 in 12 ACFs using reverse transcription–polymerase chain reaction (RT–PCR) and serological tests for SARS-CoV-2 infection. Using maximum-likelihood approaches and generalized linear mixed models, we analysed the proportion of infected residents in ACFs and identified covariates associated with the proportion of infected residents. Results The secondary-attack risk was estimated at 4.1%, suggesting a high efficiency of the IPC measures implemented in the region. Mask wearing and the establishment of COVID-19 zones for infected residents were the two main covariates associated with lower secondary-attack risks. Conclusions Wearing masks and isolating potentially infected residents appear to be associated with a more limited spread of SARS-CoV-2 in ACFs.

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Section: Discussionmentioning

confidence: 99%

Analysing different exposures identifies that wearing masks and establishing COVID-19 areas reduce secondary-attack risk in aged-care facilities

Reyné

Selinger

Sofonea

et al. 2021

International Journal of Epidemiology

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“…Guidelines recommend that when in contact with COVID-19 patients, and in addition to hand hygiene, HCWs protect themselves with personal protective equipment (PPE), namely surgical masks for standard care and respirators during aerosol-generating procedures, gowns and protective goggles [9,10]. Studies have suggested that SARS-CoV2 spreads not only between patients and from patients to HCWs, but also between infected HCWs, for example during breaks [7,11,12]. This study investigated sociodemographic factors, behavioral factors and professional practice associated with the risk of COVID-19 infection in healthcare workers.…”

Section: Coronavirus Disease 2019 (Covid-19) Was Declared a Pandemic By The World Healthmentioning

confidence: 99%

“…However most transmissions occur during close face-to-face contact via respiratory droplets. The virus can be transmitted by presymptomatic, asymptomatic and symptomatic carriers [6, 7]. Protection of HCWs is a key method for controlling the spread of the virus within health establishments, as vaccination does not provide complete protection against contamination.…”

Section: Introductionmentioning

confidence: 99%

Professional practice for COVID-19 risk reduction among health care workers: a Cross-Sectional Study with Matched Case-Control Comparison

Wilson

Mouet

Jeanne-Leroyer

et al. 2021

Preprint

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Background: Health care workers (HCWs) are particularly exposed to COVID-19 and therefore it is paramount to study preventive measures in this population. Aim: To investigate socio-demographic factors and professional practice associated with the risk of COVID-19 among HCWs in health establishments in Normandy, France Methods: A cross-sectional and 3 case-control studies were conducted in order to explore the possible risk factors that lead to SARS-CoV2 transmission within HCWs, based on an online questionnaire. The case-control studies focused on risk factors associated with care of COVID-19 patients, care of non COVID-19 patients and contacts between colleagues. Findings: Among 2,058 respondents, respectively 1,363 (66.2%) and 695 (33.8%) in medical and medico-social establishments, 301 (14.6%) reported having been infected by SARS-CoV2. When caring for COVID-19 patients, HCWs who declared wearing respirators, either for all patient care (ORa 0.39; 95% CI: 0.29-0.51) or only when exposed to aerosol-generating procedures (ORa 0.56; 95% CI: 0.43-0.70), had a lower risk of infection compared with HCWs who declared wearing mainly surgical masks. During care of non COVID-19 patients, wearing mainly a respirator was associated with a higher risk of infection (ORa 1.84; 95% CI: 1.06-3.37). An increased risk was also found for HCWs who changed uniform in workplace changing rooms (ORa 1.93; 95% CI: 1.63-2.29). Conclusion: Correct use of PPE adapted to the situation and risk level is essential in protecting HCWs against infection.

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“…However most transmissions occur during close face-to-face contact via respiratory droplets. The virus can be transmitted by presymptomatic, asymptomatic and symptomatic carriers [ 6 , 7 ]. Protection of HCWs is a key method for controlling the spread of the virus within health establishments, as vaccination does not provide complete protection against onward transmission.…”

Section: Introductionmentioning

confidence: 99%

Professional practice for COVID-19 risk reduction among health care workers: A cross-sectional study with matched case-control comparison

et al. 2022

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Background Health care workers (HCWs) are particularly exposed to COVID-19 and therefore it is important to study preventive measures in this population. Aim To investigate socio-demographic factors and professional practice associated with the risk of COVID-19 among HCWs in health establishments in Normandy, France. Methods A cross-sectional and 3 case-control studies using bootstrap methods were conducted in order to explore the possible risk factors that lead to SARS-CoV2 transmission within HCWs. Case-control studies focused on risk factors associated with (a) care of COVID-19 patients, (b) care of non COVID-19 patients and (c) contacts between colleagues. Participants 2,058 respondents, respectively 1,363 (66.2%) and 695 (33.8%) in medical and medico-social establishments, including HCW with and without contact with patients. Results 301 participants (14.6%) reported having been infected by SARS-CoV2. When caring for COVID-19 patients, HCWs who declared wearing respirators, either for all patient care (ORa 0.39; 95% CI: 0.29–0.51) or only when exposed to aerosol-generating procedures (ORa 0.56; 95% CI: 0.43–0.70), had a lower risk of infection compared with HCWs who declared wearing mainly surgical masks. During care of non COVID-19 patients, wearing mainly a respirator was associated with a higher risk of infection (ORa 1.84; 95% CI: 1.06–3.37). An increased risk was also found for HCWs who changed uniform in workplace changing rooms (ORa 1.93; 95% CI: 1.63–2.29). Conclusion Correct use of PPE adapted to the situation and risk level is essential in protecting HCWs against infection.

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Healthcare associated coronavirus disease 2019 among health care workers in Normandy, France: a multi-center study

Cited by 7 publications

References 32 publications

Analysing different exposures identifies that wearing masks and establishing COVID-19 areas reduce secondary-attack risk in aged-care facilities

Analysing different exposures identifies that wearing masks and establishing COVID-19 areas reduce secondary-attack risk in aged-care facilities

Professional practice for COVID-19 risk reduction among health care workers: a Cross-Sectional Study with Matched Case-Control Comparison

Professional practice for COVID-19 risk reduction among health care workers: A cross-sectional study with matched case-control comparison

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