Increase in the risk of snakebites incidence due to changes in humidity levels: A time series study in four municipalities of the state of Rondônia

Revista Da Sociedade Brasileira De Medicina Tropical
Alex Augusto Ferreira E FerreiraJuliana Pavan Zuliani

Abstract

Snakebites represent a serious global public health problem, especially in tropical countries. In Brazil, the incidence of snakebites ranges from 19 to 22 thousand cases per 100000 persons annually. The state of Rondônia, in particular, has had an increasing incidence of snakebites. A retrospective cross-sectional study on snakebites was conducted from January 2007 to December 2018. Brazil's Information System for Notifiable Diseases was queried for all snakebites reported in Porto Velho, Ariquemes, Cacoal, and Vilhena. Data on land surface temperatures during the day and night, precipitation, and humidity were obtained using the Google Earth Engine. A Bayesian time series model was constructed to describe the pattern of snakebites and their relationship with climate data. In total, 6326 snakebites were reported in Rondônia. Accidents were commonly caused by Bothrops sp. (n=2171, 81.80%). Snakebites most frequently occurred in rural areas (n=2271, 85.5%). Men, with a median age of 34 years (n=2101, 79.1%), were the most frequent bitten. Moderate clinical manifestation was the most common outcome of an accident (n=1101, 41.50%). There were clear seasonal patterns with respect to rainfall, humidity, and temperature. Rainfall and ...Continue Reading

References

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Citations

Aug 22, 2020·Toxicon : Official Journal of the International Society on Toxinology·Tamires Nascimento da CostaPaulo Sérgio Bernarde
Aug 22, 2021·Toxicon : Official Journal of the International Society on Toxinology·Sullivan HanbackJustin Arnold

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Software Mentioned

R R Development Core Team
HelpFunctions
R Analysis Rmd
INLA
Google Earth Engine
tidyverse
R
GLDAS
Global Land Data Assimilation System ( GLDAS
SINAN

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