Interactive table: How many cases of the Omicron variant of Covid-19 have been confirmed in your area?
Omicron is now the dominant Covid-19 variant in the East of England.
It was estimated to be responsible for 62 per cent of infections in the region on December 14-15, based on tests on samples from those dates.
That proportion is second only to London, where the prevalence was 80.8 per cent, according to UK Health Security Agency data.
You can use this interactive table to find the number of confirmed and suspected cases in your district on December 13.
Note that the true number will be much higher as only a proportion undergo testing.
The table shows Cambridge, with 106 cases of Omicron suspected on December 13, had the highest number of any area of Cambridgeshire.
Latest weekly data shows it also has the highest infection rate of any part of the county, with 881.2 cases per 100,000 people in the week to December 12.
This chart tracks the proportion of Omicron cases in each region.
Two doses of a Covid-19 vaccine are known to be insufficient protection against the Omicron variant, which prompted the government to accelerate the booster roll-out.
Imperial College modelling suggests that a booster dose offers 80-85.9 per cent protection against severe disease from Omicron. This is lower than the 97 per cent protection offered against Delta, but the modelling did not assess T cell responses, which may provide further protection.
You can find out more about vaccination in Cambridgeshire and Peterborough here.
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