Spatio-temporal analysis of leptospirosis in Eastern Amazon, State of Pará, Brazil.

Introduction: Brazil has registered more than 62,000 confirmed cases of leptospirosis between 2001 and 2017, with more than 2,000 cases confirmed in the State of Pará. Despite a large number of cases, no study has been conducted to trace the spatio-temporal profile of the disease.

Methodology: Confirmed cases of leptospirosis from 2001 to 2017 from the state of Pará were the basis for this space-time study.

Association between , Epstein-Barr virus, human papillomavirus and gastric adenocarcinomas.

Aim: To correlate (), Epstein-Barr virus (EBV) and human papillomavirus (HPV) with gastric cancer (GC) cases in Pará State, Brazil.

Methods: Tissue samples were obtained from 302 gastric adenocarcinomas. A rapid urease test was used to detect the presence of , and the presence of the gene in the HP-positive samples was confirmed by PCR.