Yellow areas in the map reflect population density. The blue circles show
the states with more than 30% in prevalence of giardiasis: Amapá,
Maranhão, Minas Gerais, Sergipe, São Paulo and Paraná. The information
regarding to prevalence of giardiasis was obtained from studies
identified at S1 Table and the Brazilian map was
adapted from Brazilian Institute of Geography and Statistics (https://www.ibge.gov.br/) with
population density data from Census obtained in 2010. North region
comprises the following states: Acre, Amapá, Amazonas, Pará, Rondônia,
Roraima and Tocantins. Northeast states are Alagoas, Bahia, Ceará,
Maranhão, Paraíba, Piauí, Pernambuco, Rio Grande do Norte and Sergipe.
Midwest region comprises: Goiás, Mato Grosso, Mato Grosso do Sul and
Federal District. Southeast states are Minas Gerais, Rio de Janeiro, São
Paulo and Espírito Santo. Finally, South region is formed by Paraná,
Santa Catarina and Rio Grande do Sul state.