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. 2021 Mar 6;196:110977. doi: 10.1016/j.envres.2021.110977

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Fig. 4 — AH-RR association. The graph shows the overall cumulative (lag 0–10) RR of observing COVID-19 test-positives in the English cities. The blue line represents the model estimate and the grey area the modelling uncertainty with a 5% significance level.