This study aimed to analyze the water quality of a river in the Eastern Amazon and relate the results obtained with the lack of basic sanitation in the region. Two samples were collected from strategic points of the river and were submitted to the collimetry technique with multiple tubes to calculate the most probable number (MPN) of thermotolerant coliforms present in the water. The samples were then seeded on CLED and Hektoen agar and analyzed in a mass spectrophotometer for final identification of microorganisms. A high number of thermotolerant coliforms was detected, in addition to bacteria of clinical importance, such as Pseudomonas aeruginosa, Shigella spp. and Cronobacter sakazakii. The lack of basic sanitation in the community surrounding the river is the main cause for the significant number of thermotolerant coliforms, demonstrated by the discrepancy in the MPN between samples 1 and 2. The difficulties in guaranteeing basic sanitation in the Amazon are highlighted and the need to implement public policies and carry out health surveillance studies in these populations is reinforced.

Pertussis is a respiratory infection that severely affects humans, caused by bacteria of the genus Bordetella, especially the species B. pertussis and B. parapertussis, presenting an important cause of infant morbidity and mortality. This disease has received little attention from government authorities over the years, which can cause the disease to re-emerge in the future. This study aimed to carry out a systematic literature review on the epidemiology of pertussis in Brazil between the years 2010 to 2019. The study was carried out based on information collected in national (BVS, ANVISA, DATASUS) and international databases (PubMed, SciELO, CDC). When performing the statistical analysis of confirmed cases by region, there was a significant change in 2014 compared to other years in the Northeast region. While in the Southeast region, in 2013 there was a significant increase compared to 2012 and only reduced in 2015. In the South region, the increase in the number of cases occured sharply in 2012 and only decreased in 2017. In the Center-West region, 2014 was the only year that showes considerable statistical variety. Regarding the age group, children under 1 year old and between 10 and 14 years old are the ones with the highest number of pertussis cases. Regarding gender, no significant changes were detected. Health surveillance, compulsory notification of cases added to social participation are essential, so this disease can be eradicated from Brazil and the world.