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. |
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