Arbovirus outbreak in a rural region of the Brazilian Amazon.

Background: An outbreak of febrile illness was reported from January to February 2018 in the Expedito Ribeiro Settlement, ​​Santa Bárbara do Pará municipality, Pará State, Brazil.

Objective: This study aimed to investigate the pathogenic agent responsible for the outbreak and the circulation of arboviruses in the region.

Study Design: We analyzed 94 individuals through laboratory tests for arboviruses.

Neurological disease caused by Oropouche virus in northern Brazil: should it be included in the scope of clinical neurological diseases?

We describe two neurological cases of Oropouche virus infection in northern Brazil, where the virus is endemic but neglected as a pathogen. This study reiterates the necessity of developing protocols for diagnosing infections and training medical personnel to recognize the pathogenicity of Oropouche virus in neurological infections.

Characterization of brain acetylcholinesterase of bentonic fish Hoplosternum littorale: Perspectives of application in pesticides and metal ions biomonitoring.

Acetylcholinesterase (AChE; EC 3.1.1.