Coronavirus

Experimental migration data: No evidence of UK exodus

Arrivals to a UK airport at border control

New figures suggest that although net international migration to the UK fell in 2020, there is no evidence of an exodus. Jay Lindop explains what can be interpreted from today’s experimental statistics, why they shouldn’t be compared to population figures and ongoing improvements to build and refine them.

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Coronavirus Deaths: Understanding ONS data on mortality and vaccination status

Stock vaccine image

Throughout the pandemic the Office for National Statistics has been providing timely data and analysis of the deaths caused by Coronavirus (COVID-19). During 2021 an important part of this work is measurement of mortality by vaccination status. In this post Charlotte Bermingham explains why we use internationally-recognised methods to ensure comparability across all our releases and how the analysis so far should be interpreted.

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

A medical professional prepares an injection

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:

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