Coronavirus (COVID-19) Infection Survey pilot: 28th May 2020, Office for National Statistics

It is estimated that 0.24% (95% CI 0.11% to 0.46%) of the population in England had COVID-19 at any time between 11 and 24 May 2020. This is a similar level to the previous estimate. Of those individuals providing blood samples, 6.78% (5.21-8.64%) tested positive for antibodies.
Source: Current Awareness Service for Health (CASH) - Category: Consumer Health News Source Type: news