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. 2021 Jun 15;16(6):e0252271. doi: 10.1371/journal.pone.0252271

Fig 3.

Fig 3

The effective reproduction number Ref for epidemic with isolation and protective measures (a), and natural epidemic (b) in São Paulo State.

The number of severe covid-19 cases D2 must be multiplied by 7, 000 (a) and 40, 000 (b).