Analysis of the proportion of people in Wales testing positive for COVID-19 antibodies for 22 to 28 March 2021.
This is not the latest release in the series: Coronavirus (COVID-19) infection survey (antibodies data)
The antibody data presented is part of the Coronavirus (COVID-19) Infection Survey (CIS) which is run across the whole of the UK. The data can be used to identify individuals who have had the infection in the past or have developed antibodies as a result of vaccination.
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