Coronavirus

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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