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Fanny Cortes, Celina Maria Turchi Martelli, Ricardo Arraes de Alencar Ximenes, Ulisses Ramos Montarroyos, João Bosco Siqueira Junior, Oswaldo Gonçalves Cruz, Neal Alexander, Wayner Vieira de Souza
The aim of the study was to evaluate the temporal patterns of dengue incidence from 2001 to 2014 and forecast for 2015 in two Brazilian cities. We analysed dengue surveillance data (SINAN) from Recife, 1.6 million population, and Goiania, 1.4 million population. We used Auto-Regressive Integrated Moving Average (ARIMA) modelling of monthly notified dengue incidence (2001 to 2014). Forecasting models (95% prediction interval) were developed to predict numbers of dengue cases for 2015. During the study period, 73,479 dengue cases were reported in Recife varying from 11 cases/100,000 inhab (2004) to 2,418 cases/100,000 inhab (2002)...
March 12, 2018: Acta Tropica
Ludovica Barbi, Antonio Victor Campos Coelho, Luiz Cláudio Arraes de Alencar, Sergio Crovella
Zika virus (ZIKV) is an emergent flavivirus transmitted mainly through Aedes spp. mosquitoes that is posing challenge to healthcare services in countries experiencing an outbreak. Usually ZIKV infection is mild, but in some cases it has been reported to progress into neurological diseases such as microcephaly in infants and Guillain-Barré syndrome (GBS) in adults. GBS is a debilitating autoimmune disorder that affects peripheral nerves. Since ZIKV caused massive outbreaks in South America in the past few years, we aimed to systematically review the literature and perform a meta-analysis to estimate the prevalence of GBS among ZIKV-infected individuals...
March 12, 2018: Brazilian Journal of Infectious Diseases
Richard Lindqvist, Chaitanya Kurhade, Jonathan D Gilthorpe, Anna K Överby
BACKGROUND: Flaviviruses are a group of diverse and emerging arboviruses and an immense global health problem. A number of flaviviruses are neurotropic, causing severe encephalitis and even death. Type I interferons (IFNs) are the first line of defense of the innate immune system against flavivirus infection. IFNs elicit the concerted action of numerous interferon-stimulated genes (ISGs) to restrict both virus infection and replication. Viperin (virus-inhibitory protein, endoplasmic reticulum-associated, IFN-inducible) is an ISG with broad-spectrum antiviral activity against multiple flaviviruses in vitro...
March 15, 2018: Journal of Neuroinflammation
Daniel Barros de Castro, Vanderson Souza Sampaio, Bernardino Cláudio de Albuquerque, Rosemary Costa Pinto, Megumi Sadahiro, Ricardo Augusto Dos Passos, Cristiano Fernandes da Costa, José Ueleres Braga
BACKGROUND: Dengue is the most prevalent arboviral disease affecting humans. The frequency and magnitude of dengue epidemic have significantly increased over recent decades. This study aimed to identify dengue epidemic types and risk factors for the extensive epidemics that occurred in 2010-2011, across the municipalities of Amazonas state, Brazil. METHODS: Using an ecological approach, secondary data were obtained from the dengue fever surveillance system. Epidemic waves were classified according to three indices: duration, intensity, and coverage...
March 15, 2018: BMC Public Health
Donal Bisanzio, Felipe Dzul-Manzanilla, Hector Gomez-Dantés, Norma Pavia-Ruz, Thomas J Hladish, Audrey Lenhart, Jorge Palacio-Vargas, Jesus F González Roldan, Fabian Correa-Morales, Gustavo Sánchez-Tejeda, Pablo Kuri Morales, Pablo Manrique-Saide, Ira M Longini, M Elizabeth Halloran, Gonzalo M Vazquez-Prokopec
Response to Zika virus (ZIKV) invasion in Brazil lagged a year from its estimated February 2014 introduction, and was triggered by the occurrence of severe congenital malformations. Dengue (DENV) and chikungunya (CHIKV) invasions tend to show similar response lags. We analyzed geo-coded symptomatic case reports from the city of Merida, Mexico, with the goal of assessing the utility of historical DENV data to infer CHIKV and ZIKV introduction and propagation. About 42% of the 40,028 DENV cases reported during 2008-2015 clustered in 27% of the city, and these clustering areas were where the first CHIKV and ZIKV cases were reported in 2015 and 2016, respectively...
March 15, 2018: PLoS Neglected Tropical Diseases
Azael Che-Mendoza, Anuar Medina-Barreiro, Edgar Koyoc-Cardeña, Valentín Uc-Puc, Yamili Contreras-Perera, Josué Herrera-Bojórquez, Felipe Dzul-Manzanilla, Fabian Correa-Morales, Hilary Ranson, Audrey Lenhart, Philip J McCall, Axel Kroeger, Gonzalo Vazquez-Prokopec, Pablo Manrique-Saide
BACKGROUND: There is a need for effective methods to control Aedes aegypti and prevent the transmission of dengue, chikungunya, yellow fever and Zika viruses. Insecticide treated screening (ITS) is a promising approach, particularly as it targets adult mosquitoes to reduce human-mosquito contact. METHODOLOGY/PRINCIPAL FINDINGS: A cluster-randomised controlled trial evaluated the entomological efficacy of ITS based intervention, which consisted of the installation of pyrethroid-impregnated long-lasting insecticide-treated netting material fixed as framed screens on external doors and windows...
March 15, 2018: PLoS Neglected Tropical Diseases
Andrea Cristine Koishi, Andréia Akemi Suzukawa, Camila Zanluca, Daria Elena Camacho, Guillermo Comach, Claudia Nunes Duarte Dos Santos
Zika virus (ZIKV) is an emerging arbovirus belonging to the genus flavivirus that comprises other important public health viruses, such as dengue (DENV) and yellow fever (YFV). In general, ZIKV infection is a self-limiting disease, however cases of Guillain-Barré syndrome and congenital brain abnormalities in newborn infants have been reported. Diagnosing ZIKV infection remains a challenge, as viral RNA detection is only applicable until a few days after the onset of symptoms. After that, serological tests must be applied, and, as expected, high cross-reactivity between ZIKV and other flavivirus serology is observed...
March 15, 2018: PLoS Neglected Tropical Diseases
Jinzhao Song, Vikram Pandian, Michael G Mauk, Haim H Bau, Sara Cherry, Laurence C Tisi, Changchun Liu
Rapid and quantitative molecular diagnostics in the field, at home, and at remote clinics is essential for evidence-based disease management, control, and prevention. Conventional molecular diagnostics requires extensive sample preparation, complex instruments, and skilled personnel, restricting its use to centralized laboratories. To overcome these limitations, we designed a simple, inexpensive, hand-held, smartphone-based mobile detection platform, dubbed "smart-connected cup" (SCC), for rapid, connected and quantitative molecular diagnostics...
March 15, 2018: Analytical Chemistry
Shupeng Dong, Qiming Liang
An infection by Zika virus (ZIKV), a mosquito-borne flavivirus, broke out in South American regions in 2015, and recently showed a tendency of spreading to North America and even worldwide. ZIKV was first detected in 1947 and only 14 human infection cases were reported until 2007. This virus was previously observed to cause only mild flu-like symptoms. However, recent ZIKV infections might be responsible for the increasing cases of neurological disorders such as Guillain-Barré syndrome and congenital defects, including newborn microcephaly...
March 14, 2018: Virologica Sinica
Nisha K Duggal, Erin M McDonald, Jana M Ritter, Aaron C Brault
Zika virus (ZIKV) is an emerging mosquito-borne virus that can cause ZIKV congenital syndrome when a pregnant woman is infected. Sexual transmission has also been described for ZIKV, though the relationship between sexual transmission and vertical transmission has not been investigated. Here, viral dissemination to the female reproductive tract and fetuses was assessed in immunodeficient (AG129) female mice that were exposed to ZIKV by subcutaneous (s.c.) inoculation, intravaginal (ivag.) inoculation, or sexual transmission from infected male AG129 mice...
March 14, 2018: Scientific Reports
José Sánchez-Carbonel, Derek Tantaléan-Yépez, Miguel Angel Aguilar-Luis, Wilmer Silva-Caso, Pablo Weilg, Fernando Vásquez-Achaya, Luis Costa, Johanna Martins-Luna, Isabel Sandoval, Juana Del Valle-Mendoza
OBJECTIVE: To assess the presence of Dengue, Chikungunya, and Zika in serum samples of patients with acute febrile illness in Piura, Peru and describe the most common clinical features. RESULTS: Dengue was the most common arbovirus detected in 170/496 (34.3%), followed by Zika in 39/496 (7.9%) and Chikungunya in 23/496 (4.6%). Among the 170 samples positive for Dengue, serotype 2 was the most predominant type present in 97/170 (57.1%) of samples, followed by the serotype 3 in 9/170 (5...
March 14, 2018: BMC Research Notes
Margaret A Honein
No abstract text is available yet for this article.
March 15, 2018: New England Journal of Medicine
Bruno Hoen, Bruno Schaub, Anna L Funk, Vanessa Ardillon, Manon Boullard, André Cabié, Caroline Callier, Gabriel Carles, Sylvie Cassadou, Raymond Césaire, Maylis Douine, Cécile Herrmann-Storck, Philippe Kadhel, Cédric Laouénan, Yoann Madec, Alice Monthieux, Mathieu Nacher, Fatiha Najioullah, Dominique Rousset, Catherine Ryan, Kinda Schepers, Sofia Stegmann-Planchard, Benoît Tressières, Jean-Luc Voluménie, Samson Yassinguezo, Eustase Janky, Arnaud Fontanet
BACKGROUND: The risk of congenital neurologic defects related to Zika virus (ZIKV) infection has ranged from 6 to 42% in various reports. The aim of this study was to estimate this risk among pregnant women with symptomatic ZIKV infection in French territories in the Americas. METHODS: From March 2016 through November 2016, we enrolled in this prospective cohort study pregnant women with symptomatic ZIKV infection that was confirmed by polymerase-chain-reaction (PCR) assay...
March 15, 2018: New England Journal of Medicine
Imelda Menchaca-Armenta, Moisés Ocampo-Torres, Arnulfo Hernández-Gómez, Karen Zamora-Cerritos
Diseases caused by viruses such as dengue, chikungunya and zika are mosquito-borne diseases transmitted by Aedes aegypti. We performed a cross-sectional study of healthcare personnel and the general population using questionnaires to identify the level of knowledge, attitudes and practices, and risk perception for dengue, chikungunya and zika. A total of 248 questionnaires were applied, 63.3% to healthcare personnel and 36.7% to the general population. Of the healthcare personnel, 53% were men, and in the general population 74% were women...
March 8, 2018: Revista do Instituto de Medicina Tropical de São Paulo
Yanouk Epelboin, Sarah C Chaney, Amandine Guidez, Nausicaa Habchi-Hanriot, Stanislas Talaga, Lanjiao Wang, Isabelle Dusfour
Since the 1940s, French Guiana has implemented vector control to contain or eliminate malaria, yellow fever, and, recently, dengue, chikungunya, and Zika. Over time, strategies have evolved depending on the location, efficacy of the methods, development of insecticide resistance, and advances in vector control techniques. This review summarises the history of vector control in French Guiana by reporting the records found in the private archives of the Institute Pasteur in French Guiana and those accessible in libraries worldwide...
March 12, 2018: Memórias do Instituto Oswaldo Cruz
Hannah Kuper, Tracey Smythe, Antony Duttine
Universal health coverage (UHC) has been adopted by many countries as a national target for 2030. People with disabilities need to be included within efforts towards UHC, as they are a large group making up 15% of the world's population and are more vulnerable to poor health. UHC focuses both on covering the whole population as well as providing all the services needed and must include an emphasis on health promotion, as well as disease treatment and cure. Health promotion often focusses on tackling individual behaviours, such as encouraging exercise or good nutrition...
March 14, 2018: International Journal of Environmental Research and Public Health
C Talero-Gutiérrez, A Rivera-Molina, C Pérez-Pavajeau, I Ossa-Ospina, C Santos-García, M C Rojas-Anaya, A de-la-Torre
Zika virus (ZIKV) infection is an emergent worldwide public health problem. Historically, 84 countries have reported vector-borne ZIKV transmission, 61 of which report on-going transmission. It is a Flavivirus transmitted through arthropods belonging to the Aedes genus. Since 2015, ZIKV infections have increased dramatically; with 1.3 million people infected during 2015 in Brazil alone. This paper's objective is to highlight the conjectural epidemiological points of the virus' dissemination. The digital archives Pubmed, MEDLINE, EMBASE and Cochrane were searched for papers that assessed aspects of ZIKV transmission and epidemiology...
March 14, 2018: Epidemiology and Infection
Bridget Kuehn
No abstract text is available yet for this article.
March 13, 2018: JAMA: the Journal of the American Medical Association
Luiz Carlos Caires-Júnior, Ernesto Goulart, Uirá Souto Melo, Bruno Henrique Silva Araujo, Lucas Alvizi, Alessandra Soares-Schanoski, Danyllo Felipe de Oliveira, Gerson Shigeru Kobayashi, Karina Griesi-Oliveira, Camila Manso Musso, Murilo Sena Amaral, Lucas Ferreira daSilva, Renato Mancini Astray, Sandra Fernanda Suárez-Patiño, Daniella Cristina Ventini, Sérgio Gomes da Silva, Guilherme Lopes Yamamoto, Suzana Ezquina, Michel Satya Naslavsky, Kayque Alves Telles-Silva, Karina Weinmann, Vanessa van der Linden, Helio van der Linden, João Ricardo Mendes de Oliveira, Nivia Maria Rodrigues Arrais, Adriana Melo, Thalita Figueiredo, Silvana Santos, Joanna Goes Castro Meira, Saulo Duarte Passos, Roque Pacheco de Almeida, Ana Jovina Barreto Bispo, Esper Abrão Cavalheiro, Jorge Kalil, Edécio Cunha-Neto, Helder Nakaya, Robert Andreata-Santos, Luis Carlos de Souza Ferreira, Sergio Verjovski-Almeida, Paulo Lee Ho, Maria Rita Passos-Bueno, Mayana Zatz
The original PDF version of this Article contained errors in the spelling of Luiz Carlos Caires-Júnior, Uirá Souto Melo, Bruno Henrique Silva Araujo, Alessandra Soares-Schanoski, Murilo Sena Amaral, Kayque Alves Telles-Silva, Vanessa van der Linden, Helio van der Linden, João Ricardo Mendes de Oliveira, Nivia Maria Rodrigues Arrais, Joanna Goes Castro Meira, Ana Jovina Barreto Bispo, Esper Abrão Cavalheiro, and Robert Andreata-Santos, which were incorrectly given as Luiz Carlos de Caires Jr., UiráSouto Melo, Bruno Silva Henrique Araujo, Alessandra Soares Schanoski, MuriloSena Amaral, Kayque Telles Alves Silva, Vanessa Van der Linden, Helio Van der Linden, João Mendes Ricardo de Oliveira, Nivia Rodrigues Maria Arrais, Joanna Castro Goes Meira, Ana JovinaBarreto Bispo, EsperAbrão Cavalheiro, and Robert Andreata Santos...
March 13, 2018: Nature Communications
William Darrow, Chintan Bhatt, Cassandra Rene, Lakisha Thomas
In January 2016, the first case of mosquito-borne Zika infection in the mainland United States was confirmed in Miami, Florida. The first locally acquired case was reported 6 months later. Local public health and school officials began warning students of the outbreak on their return to the classroom in August 2016. In November-December 2016, we conducted a survey of students attending a large public university in Miami to determine how well informed they were about Zika. A multistage sampling design was used to contact teaching assistants and ask them for help in recruiting their students...
March 1, 2018: Health Education & Behavior: the Official Publication of the Society for Public Health Education
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