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1. Overestimation of Severe Acute Respiratory Syndrome Coronavirus 2 Household Transmission in Settings of High Community Transmission: Insights From an Informal Settlement Community in Salvador, Brazil

Author

Aguilar Ticona, Juan P, primary, Nery, Nivison, additional, Hitchings, Matt, additional, Belitardo, Emilia M M Andrade, additional, Fofana, Mariam O, additional, Dorión, Murilo, additional, Victoriano, Renato, additional, Cruz, Jaqueline S, additional, Oliveira Santana, Juliet, additional, de Moraes, Laise Eduarda Paixão, additional, Cardoso, Cristiane W, additional, Ribeiro, Guilherme S, additional, Reis, Mitermayer G, additional, Khouri, Ricardo, additional, Costa, Federico, additional, Ko, Albert I, additional, and Cummings, Derek A T, additional

Published
2024
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2. Dynamics of chikungunya virus transmission in the first year after its introduction in Brazil: A cohort study in an urban community

Author

Anjos, Rosângela O., primary, Portilho, Moyra M., additional, Jacob-Nascimento, Leile Camila, additional, Carvalho, Caroline X., additional, Moreira, Patrícia S. S., additional, Sacramento, Gielson A., additional, Nery Junior, Nivison R. R., additional, de Oliveira, Daiana, additional, Cruz, Jaqueline S., additional, Cardoso, Cristiane W., additional, Argibay, Hernan D., additional, Plante, Kenneth S., additional, Plante, Jessica A., additional, Weaver, Scott C., additional, Kitron, Uriel D., additional, Reis, Mitermayer G., additional, Ko, Albert I., additional, Costa, Federico, additional, and Ribeiro, Guilherme S., additional

Published
2023
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3. Overestimation of Severe Acute Respiratory Syndrome Coronavirus 2 Household Transmission in Settings of High Community Transmission: Insights From an Informal Settlement Community in Salvador, Brazil.

Author

Ticona, Juan P Aguilar, Nery, Nivison, Hitchings, Matt, Belitardo, Emilia M M Andrade, Fofana, Mariam O, Dorión, Murilo, Victoriano, Renato, Cruz, Jaqueline S, Santana, Juliet Oliveira, Moraes, Laise Eduarda Paixão de, Cardoso, Cristiane W, Ribeiro, Guilherme S, Reis, Mitermayer G, Khouri, Ricardo, Costa, Federico, Ko, Albert I, and Cummings, Derek A T

Abstract

Background The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron variant has spread globally. However, the contribution of community versus household transmission to the overall risk of infection remains unclear. Methods Between November 2021 and March 2022, we conducted an active case-finding study in an urban informal settlement with biweekly visits across 1174 households with 3364 residents. Individuals displaying coronavirus disease 2019 (COVID-19)–related symptoms were identified, interviewed along with household contacts, and defined as index and secondary cases based on reverse-transcription polymerase chain reaction (RT-PCR) and symptom onset. Results In 61 households, we detected a total of 94 RT-PCR–positive cases. Of 69 sequenced samples, 67 cases (97.1%) were attributed to the Omicron BA.1* variant. Among 35 of their households, the secondary attack rate was 50.0% (95% confidence interval [CI], 37.0%–63.0%). Women (relative risk [RR], 1.6 [95% CI,.9–2.7]), older individuals (median difference, 15 [95% CI, 2–21] years), and those reporting symptoms (RR, 1.73 [95% CI, 1.0–3.0]) had a significantly increased risk for SARS-CoV-2 secondary infection. Genomic analysis revealed substantial acquisition of viruses from the community even among households with other SARS-CoV-2 infections. After excluding community acquisition, we estimated a household secondary attack rate of 24.2% (95% CI, 11.9%–40.9%). Conclusions These findings underscore the ongoing risk of community acquisition of SARS-CoV-2 among households with current infections. The observed high attack rate necessitates swift booster vaccination, rapid testing availability, and therapeutic options to mitigate the severe outcomes of COVID-19. [ABSTRACT FROM AUTHOR]

Published
2024
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4. COVID-19 vaccine hesitancy and associated factors according to sex: A population-based survey in Salvador, Brazil

Author

Nery, Nivison, primary, Ticona, Juan P. Aguilar, additional, Cardoso, Cristiane W., additional, Prates, Ana Paula Pitanga Barbuda, additional, Vieira, Helena Cristina Alves, additional, Salvador de Almeida, Andrea, additional, Souza, Mirela Maisa da Silva, additional, Borba dos Reis, Olivete, additional, Pellizzaro, Maysa, additional, Portilho, Moyra Machado, additional, Rosa da Anunciação, Renan, additional, Victoriano, Renato, additional, Oliveira dos Anjos, Rosangela, additional, Argibay, Hernán Dario, additional, Carmo Lima, Douglas Oliveira, additional, Mesquita, Isadora Lima, additional, Conceição, Wesley Mota, additional, Santana, Perla Machado, additional, Oliveira, Elaine Carvalho, additional, Santana, Pamela Santos Nascimento, additional, Brodskyn, Claudia Ida, additional, Mothé Fraga, Deborah Bittencourt, additional, Solcà, Manuela da Silva, additional, Reis, Mitermayer Galvão, additional, Costa, Federico, additional, and Ribeiro, Guilherme S., additional

Published
2022
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5. Outbreak of exanthematous illness associated with Zika, Chikungunya, and dengue viruses, Salvador, Brazil

Author

Cardoso, Cristiane W., Paploski, Igor A.D., Kikuti, Mariana, Rodrigues, Moreno S., Silva, Monaise M.O., Campos, Gubio S., Sardi, Silvia I., Kitron, Uriel, Reis, Mitermayer G., and Ribeiro, Guilherme S.

Subjects
Health
Abstract

To the Editor: Zika virus (ZIKV) has been recognized as an emerging mosquito-borne flavivirus since outbreaks were reported from Yap Island in 2007 (1), French Polynesia in 2013 (2), and [...]

Published
2015

7. Changes in the dynamics of dengue incidence in South and Central America are possibly due to cross‐population immunity after Zika virus epidemics.

Author

Mugabe, Vánio A., Borja, Lairton S., Cardoso, Cristiane W., Weaver, Scott C., Reis, Mitermayer G., Kitron, Uriel, and Ribeiro, Guilherme S.

Subjects
ZIKA virus, DENGUE hemorrhagic fever, DENGUE, DENGUE viruses, TRENDS, VACCINE development
Abstract

Copyright of Tropical Medicine & International Health is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2021
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8. A localized outbreak of Chikungunya virus in Salvador, Bahia, Brazil

Author

Tauro, Laura B, primary, Cardoso, Cristiane W, additional, Souza, Raquel L, additional, Nascimento, Leile CJ, additional, Santos, Daniela R dos, additional, Campos, Gubio S, additional, Sardi, Silvia, additional, Reis, Olivete B dos, additional, Reis, Mitermayer G, additional, Kitron, Uriel, additional, and Ribeiro, Guilherme S, additional

Published
2019
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10. Emerg. Infect. Dis

Author

Paploski, Igor A.D., Prates, Ana Paula P.B., Cardoso, Cristiane W., Kikut, Mariana, Silva, Monaise Madalena Oliveira e, Waller, Lance A., Reis, Mitermayer G., Kitron, Uriel, and Ribeiro, Guilherme S.

Subjects
Congenital malformations, Public health, Microcephaly, Infection, Guillain-Barré syndrome, Zika virus
Abstract

Submitted by Maria Creuza Silva (mariakreuza@yahoo.com.br) on 2017-06-21T19:13:00Z No. of bitstreams: 1 Igor Paploski, Guilherme R et al. 2016.pdf: 632911 bytes, checksum: 3bff6c84d7b248f7003b7a5ffb4ae46a (MD5) Made available in DSpace on 2017-06-21T19:13:00Z (GMT). No. of bitstreams: 1 Igor Paploski, Guilherme R et al. 2016.pdf: 632911 bytes, checksum: 3bff6c84d7b248f7003b7a5ffb4ae46a (MD5) Zika virus infection emerged as a public health emergency after increasing evidence for its association with neurologic disorders and congenital malformations. In Salvador, Brazil, outbreaks of acute exanthematous illness (AEI) attributed to Zika virus, Guillain-Barré syndrome (GBS), and microcephaly occurred in 2015. We investigated temporal correlations and time lags between these outbreaks to identify a common link between them by using epidemic curves and time series cross-correlations. Number of GBS cases peaked after a lag of 5–9 weeks from the AEI peak. Number of suspected cases of microcephaly peaked after a lag of 30–33 weeks from the AEI peak, which corresponded to time of potential infections of pregnant mothers during the first trimester. These findings support the association of GBS and microcephaly with Zika virus infection and provide evidence for a temporal relationship between timing of arboviral infection of pregnant women during the first trimester and birth outcome. Atlanta

Published
2017

12. Does immunity after Zika virus infection cross-protect against dengue?

Author

Ribeiro, Guilherme Sousa, primary, Kikuti, Mariana, additional, Tauro, Laura B, additional, Nascimento, Leile Camila J, additional, Cardoso, Cristiane W, additional, Campos, Gúbio S, additional, Ko, Albert I, additional, Weaver, Scott C, additional, Reis, Mitermayer G, additional, Kitron, Uriel, additional, Paploski, Igor A D, additional, Silva, Monaise M O, additional, Kasper, Amelia M, additional, Tavares, Aline S, additional, Cruz, Jaqueline S, additional, Moreira, Patrícia S S, additional, Anjos, Rosângela O, additional, Araújo, Josélio M G, additional, Khouri, Ricardo, additional, and Sardi, Silvia I, additional

Published
2018
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13. Clinical and laboratory evidence of Haff disease – case series from an outbreak in Salvador, Brazil, December 2016 to April 2017

Author

Bandeira, Antonio C, primary, Campos, Gubio S, additional, Ribeiro, Guilherme S, additional, Cardoso, Cristiane W, additional, Bastos, Claudilson JC, additional, Pessoa, Tiago L, additional, Araujo, Karine A, additional, Grassi, Maria Fernanda R, additional, Castro, Alessandra P, additional, Carvalho, Rejane H, additional, Prates, Ana Paula P B, additional, Gois, Luana L, additional, Rocha, Veronica FD, additional, and Sardi, Silvia I, additional

Published
2017
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16. Does immunity after Zika virus infection cross-protect against dengue?

Author

Paploski, Igor A D, Silva, Monaise M O, Kasper, Amelia M, Tavares, Aline S, Cruz, Jaqueline S, Moreira, Patrícia S S, Anjos, Rosângela O, Araújo, Josélio M G, Khouri, Ricardo, Sardi, Silvia I, Ribeiro, Guilherme Sousa, Kikuti, Mariana, Tauro, Laura B, Nascimento, Leile Camila J, Cardoso, Cristiane W, Campos, Gúbio S, Ko, Albert I, Weaver, Scott C, Reis, Mitermayer G, and Kitron, Uriel

Published
2018
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