Office for National Statistics

Vaccine effectiveness against COVID-19 – What can the COVID-19 Infection Survey tell us?

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:

Read more on Vaccine effectiveness against COVID-19 – What can the COVID-19 Infection Survey tell us?

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.

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