Healthcare Workers: an in depth virological analysis and behavioural study during the outbreak

Lead Research Organisation: University College London
Department Name: UNLISTED

Abstract

Coronaviruses transmit easily, the disease is highly infectious and can lead to serious illness and death. Healthcare workers becoming ill in large numbers would have a huge impact on health care provision. Bed shortages in over-stretched hospitals are common and the additional burden from coronavirus could bring staff to breaking point. We had a unique opportunity in 2017/8 to investigate healthcare workers at University College London Hospitals (UCLH) infected with influenza compared to those who were well. There is lack of evidence around the risk of coronavirus so we now propose a study that will examine the rates at which healthcare workers become infected with coronavirus in three wards and A/E at UCLH, using the same methods as before. We will also interview healthcare workers to find out their challenges in preventing infection spreading to themselves, other staff and patients, while working during a novel pathogen outbreak. We will use antigen tests to rapidly screen them to see if they are infected with coronavirus, and complement these with antibody tests. This information will add significantly to the understanding of staff health and safety, hospital infection prevention and control, and will improve the evidence-base for the protection of patients and staff.

Technical Summary

This COVID-19 Rapid Response award is jointly funded (50:50) between the Medical Research Council and the National Institute for Health Research. The figure displayed is the total award amount of the two funders combined, with each partner contributing equally towards the project.

The further spread of the novel coronavirus SARS-CoV-2 outside China, causing coronavirus disease (COVID-19) globally has led to an outbreak that WHO announced 12 March 2020 as a pandemic. The role of Healthcare Workers (HCWs) in managing the outbreak is critical, while working in a setting where they may be inadvertently exposed to SARS-CoV-2, and WHO has prioritised research on how best to protect them from infection and disease. The similar “Public Health Emergencies of International Concern” caused by Zika and Ebola highlighted another important aspect: the need to integrate social sciences research into the outbreak response and to address ethical questions around studies and data sharing, in this context involving HCWs. With our proposal, we aim to integrate three key priorities in a unique way. We will leverage existing funding and our experience within the ICONIC study, funded by the Wellcome Trust/DoH (2014-18). We propose an in-depth analysis of risk of infection with SARS-CoV-2 in HCWs including longitudinal sampling, tracking of movement and studies of behaviours and influences on them (capability, opportunity and motivation). We will perform a virological analysis of infected patients with serial samples to construct a detailed analysis of transmission clusters. The latter will provide valuable clinical data on virus shedding. Finally, we propose to address the ethical questions around the use of apps and wearables, data sharing and conducting studies during an outbreak to produce a set of definitive recommendations for policy makers.

People

ORCID iD

Publications

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Aitken J (2020) Scalable and robust SARS-CoV-2 testing in an academic center. in Nature biotechnology

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Rickman HM (2021) Nosocomial Transmission of Coronavirus Disease 2019: A Retrospective Study of 66 Hospital-acquired Cases in a London Teaching Hospital. in Clinical infectious diseases : an official publication of the Infectious Diseases Society of America

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Rosa A (2021) SARS-CoV-2 recruits a haem metabolite to evade antibody immunity. in medRxiv : the preprint server for health sciences

 
Title Logos/posters/masks 
Description created above and a video for HCWs for SAFER and also explain ing immune responses to the virus and vaccination 
Type Of Art Artwork 
Year Produced 2021 
Impact Engagement with the study! 
 
Description Asymptomatic screening
Geographic Reach National 
Policy Influence Type Implementation circular/rapid advice/letter to e.g. Ministry of Health
Impact SAFER results on asymptomatic infection sand frequency of testing required are regularly communicated to NERVTAG and SAGE ; Influenced Initiation of national enhanced surveillance in HCWs
 
Title Protection from SARS-CoV-2 variants 
Description Cross protection from cross-reacting antibodies to variants 
Type Of Material Physiological assessment or outcome measure 
Year Produced 2021 
Provided To Others? Yes  
Impact Evidence on cross-protection; paper submitted to Nature Medicine 
 
Title SARS-CoV-2 immune responses 
Description Developed an array of serological methods for SAFER in order to detect immune response stolen natural SARS-CoV-2 infection and vaccination in HCWs 
Type Of Material Antibody 
Year Produced 2020 
Provided To Others? Yes  
Impact An important finding on pre-existing cross-reacting antibodies published in Science 
 
Title WGS for SARS-CoV-2 : outbreak analysis 
Description Generated and used WGS data to investigate transmission within the hospital involving HCWs 
Type Of Material Technology assay or reagent 
Year Produced 2021 
Provided To Others? Yes  
Impact manuscript submitted 
 
Title Analysis of routinely available digital data of movement of HCWs 
Description Digital data of movement from EHRS, eRoster , data fro card entry analysed using a novel statistical model and linkage with risk factors to infer on risk 
Type Of Material Data analysis technique 
Year Produced 2022 
Provided To Others? Yes  
Impact Preprints will be available March 2022; we expect our approach will have a great impact in this area demonstrating the capabilities EHRS systems and data that are available and stored in these systems can be used in a clinically useful way to inform IC policies and flow within healthcare environments. 
 
Title Behavioural analysis using the COM-B tool 
Description Professor Michie developed the COM-B and the Behaviour Change Wheel framework to study behaviours and design interventions Utilising data from questionnaires from SAFER - the tool was utilised to aid interpretation of data 
Type Of Material Data analysis technique 
Year Produced 2022 
Provided To Others? Yes  
Impact SAFER will be the first study where the tools will be used in HCW research and we expect a unique dataset that will inform further steps and research as well as inform policy 
 
Title Digitisation of floors to aid spatial analysis and link with virological data 
Description Utilising EHRS data all floors of UCLH have been digitised to aid spatial visualisation and analysis 
Type Of Material Computer model/algorithm 
Year Produced 2022 
Provided To Others? Yes  
Impact Pre-prints by end of March 2022 
 
Title Modelling in SARS-CoV-2 asymptomatic infection 
Description In collaboration with LSHTM developed modelling on frequency of PCR + in asymptomatic infection-guiding testing policies 
Type Of Material Computer model/algorithm 
Year Produced 2021 
Provided To Others? Yes  
Impact Guided testing strategies; communicated to SAGE 
 
Description Assessing infectivity and immune responses to breakthrough infections in HCWs 
Organisation National Institute for Biological Standards and Control (NIBSC)
Country United Kingdom 
Sector Public 
PI Contribution Research questions and SAFER cohorts -all study design and implementation
Collaborator Contribution Lab support with cell culture and neutralisation
Impact Expected to report on these unique cohorts we followed up with breakthrough infections following vaccination.
Start Year 2021
 
Description Developing sensitive flowcytometry , EIA and neutralisation to characterise immune responses of HCWs to SARS-CoV-2 
Organisation Francis Crick Institute
Country United Kingdom 
Sector Academic/University 
PI Contribution Our team brought the virology expertise, the SAFER cohorts and provided the governance framework and all well characterised samples for the development
Collaborator Contribution State of the art infrastructure and basic scientists' time and input from senior PIs
Impact Important manuscripts in Nature Biotechnology, Science and the Lancet Informing policy via reports to NERVTAG and SAGE
Start Year 2020
 
Description Expand movement study to incorporate dashboards including clinical data 
Organisation University College London
Department i-Sense, UCL
Country United Kingdom 
Sector Academic/University 
PI Contribution SAFER study cohorts
Collaborator Contribution additional expertise in digital technologies
Impact engineers -medical- computing experts
Start Year 2021
 
Description T-cell immune responses to SARS-CoV-2 in HCWs (SAFER study) 
Organisation Imperial College London
Department Centre for Haematology
Country United Kingdom 
Sector Academic/University 
PI Contribution Guiding the research questions around T-cell immunity in response to SARS CoV-2 in HCWs
Collaborator Contribution T-cell immunology expertise and lab set up
Impact All samples collected for analysis -hopefully to be completed in 2022
Start Year 2021
 
Description assessing risk of infection studying movement data 
Organisation Alan Turing Institute
Country United Kingdom 
Sector Academic/University 
PI Contribution SAFER movement study
Collaborator Contribution collaboration on spatial analysis using machine learning
Impact expected outcomes in 2022
Start Year 2021
 
Description HCW NCL Group 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach Regional
Primary Audience Other audiences
Results and Impact SAFER presentation in NCL BAME HCW Group
Year(s) Of Engagement Activity 2020
 
Description SAFER workshop with HCWs on Risk Behaviours 
Form Of Engagement Activity Participation in an activity, workshop or similar
Part Of Official Scheme? No
Geographic Reach Local
Primary Audience Study participants or study members
Results and Impact Workshop to discuss findings of Behavioural studies within SAFER. Audience ;UCLH HCWs
Year(s) Of Engagement Activity 2020