Fig. 1: Geographical variability of app uptake and cases of COVID-19. | Nature

Fig. 1: Geographical variability of app uptake and cases of COVID-19.

From: The epidemiological impact of the NHS COVID-19 app

Fig. 1

a, c, Map (a) and histogram (c) of app uptake by LTLA. Colours in a indicate app uptake as shown in c. b, Cumulative cases of COVID-19 per 100,000 population over analysis phases 1 and 2. d, Seven-day rolling mean of daily cases of COVID-19 per 100,000 population. Each line represents an LTLA, coloured by app uptake as shown in c. Values for England and Wales are also shown. Black horizontal arrows indicate our analysis phases. In b, d, case numbers are for the whole LTLA population, not just app users.

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