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. 2022 Jan 29;166:107970. doi: 10.1016/j.cie.2022.107970

Table 3.

Definition of four levels of COVID-19 spread.

Indicators Containment Control Moderation Growth
Daily growth rate (%) <=0.1% and <=1% and <=10% and Daily growth rate stays above 10% or time to double cumulative cases stays below 7 days
Time to double cumulative cases (days) >=700 >=70 >=7