MEM INST OSWALDO CRUZ, RIO DE JANEIRO, Vol. 112 | 2017
PAGES: DOI: 10.1590/0074-02760160537 Letter to the editor
Surveillance of deaths caused by arboviruses in Brazil: from dengue to chikungunya

Luciano Pamplona de Góes Cavalcanti1+, André Ricardo Ribas Freitas2,3, Patrícia Brasil4, Rivaldo Venâncio da Cunha5

1Universidade Federal do Ceará, Departamento de Saúde Comunitária, Fortaleza, CE, Brasil
2Faculdade São Leopoldo Mandic, Campinas, SP, Brasil
3Secretaria Municipal de Saúde, Departamento de Vigilância em Saúde, Campinas, SP, Brasil
4Fundação Oswaldo Cruz-Fiocruz, Instituto Nacional de Infectologia Evandro Chagas, Rio de Janeiro, RJ, Brasil
5Fundação Oswaldo Cruz-Fiocruz, Campo Grande, MS, Brasil

Abstract

Did death occur DUE TO dengue, or in a patient WITH dengue virus infection? It seems a matter of semantics, but in fact, it underscores how challenging it is to distinguish whether the disease contributed to death, or was itself the underlying cause of death. Can a death be attributed to chikungunya virus, when some deaths occur after the acute phase? Did the virus decompensate the underlying diseases, leading to death? Did prolonged hospitalisation lead to infection, resulting in the patient’s progression to death? Were there iatrogenic complications during patient care? The dengue question, for which there has not yet been a definitive response, resurfaces prominently under the chikungunya surveillance scenario. We are facing an epidemic of a disease that seems to be more lethal than previously thought. The major challenge ahead is to investigate deaths suspected of occurring due to arbovirus infections and to understand the role of each infection in the unfavourable outcome.

+ Corresponding author: This e-mail address is being protected from spambots. You need JavaScript enabled to view it.
Received 15 December 2016
Accepted 4 March 2017

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