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.

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

Understanding COVID-19 Variants – What Can The Coronavirus Infection Survey Tell Us?

The ONS is reporting signs of a recent increase in COVID-19 infection rates in much of the UK. There are also indications of the first cases of the newer B.1.617.2 variant. The ONS survey repeatedly tests a large, randomised sample of the entire community population. In this post Sarah Crofts explains what it can tell us about the spread of COVID-19 variants.

Read more on Understanding COVID-19 Variants – What Can The Coronavirus Infection Survey Tell Us?