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editorial
. 2020 Aug 5;360(6):742–748. doi: 10.1016/j.amjms.2020.08.002

TABLE 2.

Zones classification.

Zones Definition
Red zones Areas that contribute to 80% of the caseload of the state and with a doubling time of less than 4 days.
Orange zones No new cases in the last 14 days.
Green zones No new cases in the prior 28 days