Quantitative study of the evolution of notified cases of Zika Virus and the relationship with rainfall indexes in the state of Rondônia

Abstract

Introduction: The Zika Virus is a virus transmitted by the mosquito Aedes aegypti, which is of great medical importance because it causes numerous public health issues. Objective: The aim of this study is to describe the history of probable cases of the infection caused by the Zika Virus in the state of Rondônia from January 2016 to December 2018, demonstrating the relation between the evolution of cases (increase or decrease) with the rainfall indexes occurred during the study period. Additionally, to compare the reported cases in the state of Rondônia with the other states of the North region and to compare the reported cases in the North region with other regions of the country. Methods: The data collected for statistical analysis were acquired through epidemiological bulletins published by the Secretariat of Health Surveillance and by the Ministry of Health. Results: The data demonstrated a total of 1,107 probable cases of the acute disease caused by the Zika Virus between the years of 2016 and 2018 in the state of Rondônia, being that 89% of this total were registered only in 2016, demonstrating a relation with the high rainfall index occurred in the same year in the state. Conclusion: Considering the findings of this study, the development of new studies addressing the clinical development of the disease among those notified with the infection becomes of extreme scientific relevance.