In Southern Bahia state, particularly in the municipality of Itabela, malaria cases have been increasing since late April when the first case was discovered.
To date, 53 positive cases of the disease have been registered, which has experts to designate that the region is experiencing an outbreak of malaria.
Source:
http://outbreaknewstoday.com/brazil-southern-bahia-experiencing-malaria-outbreak-19611/