Office for National Statistics

Delta Variant and vaccine effectiveness; what can the CIS tell us?

Generic image of person using lab equipment

As well as providing estimates on infection levels and antibodies, the Coronavirus (COVID-19) Infection Survey (CIS) collects information from participants on their vaccination status, providing some insight into vaccine effectiveness on variants, including Delta. Our monthly visits to the same participants over a long period of time allow us to see who becomes infected and how antibodies change over time.

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Population and social statistics in a rapidly changing world

Blackpool Tower lit up in purple

The response to the coronavirus pandemic has been driven by data. Never before have statistics been so crucial in informing decisions that affect us all. Here Pete Benton explains how the ONS will be maximising the value of the data collected from Census 2021 and how it aims to provide ever more timely statistics moving forwards.

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