Seroprevalence of SARS-CoV-2 among Blood Donors and Changes after Introduction of Public Health and Social Measures, London, UK
, Heather Whitaker, Tim Brooks, Kevin Brown, Katja Hoschler, Ezra Linley, Ray Borrow, Colin Brown, Nick Watkins, David J. Roberts, Danielle Solomon, Charlotte M. Gower, Olivier le Polain de Waroux, Nick J. Andrews, and Mary E. Ramsay
Author affiliations: Public Heath England, London, UK (G. Amirthalingam, H. Whitaker, K. Brown, K. Hoschler, C. Brown, D. Solomon, C.M. Gower, O. le Polain de Waroux, N.J. Andrews, M.E. Ramsay); Public Health England, Porton Down, UK (T. Brooks); Public Health England, Manchester, UK (R. Borrow); National Health Service Blood and Transplant, Cambridge, UK (N. Watkins); National Health Service Blood and Transplant, Oxford, UK (D.J. Roberts); Radcliffe Department of Medicine, University of Oxford, Oxford (D.J. Roberts)
Figure 3. Percentage of reactive Euroimmun test results for severe acute respiratory syndrome coronavirus 2 Ig, by age group (unadjusted prevalence) and epidemiologic week of sample collection, London, United Kingdom, 2020. A) Week 13 (week beginning March 23); B) weeks 15–16; C) week 18.
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