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Analysis of the proportion of people in Wales testing positive for COVID-19 antibodies for 19 to 25 April 2021.

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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Rydym yn croesawu galwadau yn Gymraeg / We welcome calls in Welsh.