Fig. 1

Sampling of SARS-CoV-2-positive patients was performed according to Paraná’s Secretary of Health official macroregional division. The map of Brazil is shown on the left. The color code represents the 5 regions of the country. The states of Amazonas (AM), São Paulo (SP), Paraná (PR), Santa Catarina (SC) and Rio Grande do Sul (RS) are indicated. The map of Paraná is shown on the right, and each macroregion was represented by at least one host city, as follows: (1) the east macroregion was represented by a Curitiba and b Paranaguá; (2) the west macroregion was represented by c Cascavel and d Toledo; (3) the northwest macroregion was represented by e Maringá; and (4) the north macroregion was represented by f Londrina and g Apucarana cities