Fig. 2
Time (days) until consecutive COVID-19 case(s) from index case(s) in HMOsa, June-December 2020, England. (aHouses of multiple occupancy. Legend: Exponential decline in consecutive household COVID-19 cases with time from index case. Period of quarantine (11–28 days post COVID-19 diagnosis) assessed for index case indicated by dashed red lines on x-axis)