National Statistical

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 an extended period allow us to see who becomes infected over time. Sarah Crofts explains more about our work on vaccine effectiveness:

Long COVID is a syndrome that is not yet well defined, leading to different estimates on the scale of the…

The ONS has worked at speed to help inform the UK’s response to the coronavirus pandemic. But producing reliable estimates…

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.