Isolation of Flaviviruses and Alphaviruses with Encephalitogenic Potential Diagnosed by Evandro Chagas Institute in the Period of 1954–2022: Six Decades of Discoveries

Ana Lucia Monteiro Wanzeller; Landeson Junior Leopoldino Barros; Maria Nazaré Oliveira Freitas; Maissa Maia Santos; Ercília de  Jesus Gonçalves; Jamilla Pantoja; Creuza de Sousa Lima Lima; Maxuell Furtado Lima; Luiz Roberto Oliveira Costa; Liliane Leal das Chagas; Iveraldo Ferreira Silva; Tania Cristina Alves da Silveira da Cunha; Fabio Silva da Silva; Bruna Laís Sena do Nascimento; Leonardo Henrique Almeida Hernández; Raimunda do Socorro da Silva Azevedo; Lívia Carício Martins; Jannifer Oliveira Chiang; Joaquim Pinto Nunes Neto; Ana Cecília Ribeiro Cruz; Livia Medeiros Neves Casseb; Elizabeth Salbe Travassos da Rosa; Sueli Guerreiro Rodrigues; Pedro Fernando da Costa Vasconcelos; Helena Baldez Vasconcelos; Valéria Lima Carvalho; Eliana Vieira Pinto da Silva

doi:10.20944/preprints202302.0197.v1

A peer-reviewed article of this Preprint also exists.

Wanzeller, A.L.M.; da Silva, F.S.; Hernández, L.H.A.; Barros, L.J.L.; Freitas, M.N.O.; Santos, M.M.; Gonçalves, E.J.; Pantoja, J.A.S.; Lima, C.S.; Lima, M.F.; Costa, L.R.O.; das Chagas, L.L.; Silva, I.F.; da Cunha, T.C.A.S.; do Nascimento, B.L.S.; Vasconcelos, H.B.; da Rosa, E.S.T.; Rodrigues, S.G.; Azevedo, R.S.S.; Martins, L.C.; Casseb, L.M.N.; Chiang, J.O.; Nunes Neto, J.P.; Cruz, A.C.R.; Carvalho, V.L.; Vasconcelos, P.F.C.; da Silva, E.V.P. Isolation of Flaviviruses and Alphaviruses with Encephalitogenic Potential Diagnosed by Evandro Chagas Institute (Pará, Brazil) in the Period of 1954–2022: Six Decades of Discoveries. Viruses 2023, 15, 935. Wanzeller, A.L.M.; da Silva, F.S.; Hernández, L.H.A.; Barros, L.J.L.; Freitas, M.N.O.; Santos, M.M.; Gonçalves, E.J.; Pantoja, J.A.S.; Lima, C.S.; Lima, M.F.; Costa, L.R.O.; das Chagas, L.L.; Silva, I.F.; da Cunha, T.C.A.S.; do Nascimento, B.L.S.; Vasconcelos, H.B.; da Rosa, E.S.T.; Rodrigues, S.G.; Azevedo, R.S.S.; Martins, L.C.; Casseb, L.M.N.; Chiang, J.O.; Nunes Neto, J.P.; Cruz, A.C.R.; Carvalho, V.L.; Vasconcelos, P.F.C.; da Silva, E.V.P. Isolation of Flaviviruses and Alphaviruses with Encephalitogenic Potential Diagnosed by Evandro Chagas Institute (Pará, Brazil) in the Period of 1954–2022: Six Decades of Discoveries. Viruses 2023, 15, 935.

Abstract

Viruses with encephalitogenic potential can cause neurological conditions of clinical and epidemiological importance, such as Saint Louis encephalitis virus, Venezuelan equine encephalitis virus, Eastern equine encephalitis virus, Western equine encephalitis virus, dengue virus, Zika virus, Chikungunya virus, Mayaro virus and West Nile virus. The objective of the present study was to determine the number of arboviruses with neuroinvasive potential isolated in Brazil that corresponds to the collection of viral samples belonging to the Section of Arbovirology and Hemorrhagic Fevers (SAARB/IEC) of the Laboratory Network of National Reference for Arbovirus Diagnosis from 1954 to 2022. A total of 1,090 arbovirus samples with encephalitogenic potential were isolated from mice. From a total of 7,054 samples intended for cell culture. The isolates from mosquitoes totaled 659 viruses. The emergence of new arboviruses may be responsible for diseases still unknown to humans, making the Amazon region a hotspot for infectious diseases due to its fauna and flora species characteristics. The detection of circulating arboviruses with the potential to cause neuroinvasive diseases is constant, which justifies the continuation of active epidemiological surveillance work that offers adequate support to the public health system regarding the virological diagnosis of circulating arboviruses in Brazil.

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Isolation of Flaviviruses and Alphaviruses with Encephalitogenic Potential Diagnosed by Evandro Chagas Institute in the Period of 1954–2022: Six Decades of Discoveries

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