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Expanded study tests immune response of care home staff and residents

An expansion of the current Vivaldi study will test thousands more care home staff and residents for their immune response to coronavirus (COVID-19).

The Vivaldi 2 study will more than triple in size to provide a detailed picture of coronavirus infection in care homes in England. These findings will help improve understanding of these vulnerable groups’ immune response to COVID-19 and help inform future treatments for the virus.

As part of the major research study led by University College London (UCL), 14,000 care home residents and staff will be tested quarterly for their immune response to COVID-19. The number of care homes taking part will increase from 100 to 340, testing approximately 4,500 residents and 9,500 staff.

Researchers will analyse how antibody and cellular immunity to the virus differs among different groups and help shape the planning and national public health response to COVID-19 as well as wider social care policy.

This study will help complement the work the Department of Health and Social Care (DHSC) is doing to support the care sector. This includes this week’s launch of visitation trials in a number of care homes with a roll out planned across care homes in December. Protection of staff and residents has been a priority throughout the pandemic with 120,000 daily tests ringfenced, free personal protective equipment (PPE) and more than £1.1 billion worth of support through the Infection Control Fund.

Minister for Care Helen Whately yesterday said:

Expanding this brilliant study, with the support of UCL, is another step towards improving our understanding of the virus. Testing people’s antibody reaction to COVID-19 is crucial in helping us to control the spread of the virus, particularly amongst people who are vulnerable.

The more we know about this virus and are able to control it, the safer it will be for people in care homes.

The expansion will:

  • provide a larger and more nationally representative sample of care home residents and staff, allowing the Vivaldi 2 study team to provide more robust estimates across the population
  • address important immunity research questions such as whether individuals can be infected twice, how quickly neutralising antibodies wane and whether the immune response in the elderly is the same in younger generations
  • link immunity data with epidemiological data to better understand the links between infection, demography and clinical outcome on the elderly and the impact of care home characteristics on the spread of the virus in the sector
  • offer an opportunity to work with a wider range of small, care home chains and independent providers to ensure results are representative of all care homes in England

The Vivaldi 2 study uses trained phlebotomists to draw blood from care home residents and staff which is then used to test for the presence of antibodies for COVID-19. This data is cross-referenced with DHSC-delivered swab testing in care homes to analyse prevalence of the virus over time.

Vivaldi 2 is led by University College London (UCL) and funded by DHSC. It began in June 2020 and is predicted to last to April 2022. The exact end date will be determined by how prevalent COVID-19 is in the tested care homes.

Dr Laura Shallcross of UCL Institute of Health Informatics yesterday said:

Expanding the Vivaldi study will tell us how many people living and working in care homes have been infected with COVID-19, and whether being infected once protects against future infections. This study will help us protect the most vulnerable members of society from this devastating infection.

Testing in these new homes is being phased in through November.

Understanding both the antibody immunity and cellular immunity responses as part of the expansion of the original Vivaldi study will provide crucial data to help inform future treatments for COVID-19, including vaccine development.

 

Channel website: https://www.gov.uk/government/organisations/department-of-health-and-social-care

Original article link: https://www.gov.uk/government/news/expanded-study-tests-immune-response-of-care-home-staff-and-residents

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