Fig. 1From: Prevalence of syphilis in female sex workers in three countryside cities of the state of Pará, Brazilian AmazonGeographical location of host cities. The three cities where this study took are located in Northern Brazil (a), state of Pará (b). The location of the cities of Barcarena (1), Bragança (2) and Augusto Corrêa (3) are indicated on the map (c)Back to article page