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JOURNAL ARTICLE
Tuan Nur A Mat Jusoh, Izhan S Jaafar, Rafidah H Shueb
BACKGROUND OBJECTIVES: Dengue and chikungunya infections are one of the major health problems that have plagued the human population globally. All dengue virus (DENV) serotypes circulate within Malaysia with particular serotypes dominating in different years/outbreaks. In the state of Kelantan, an increasing number of DENV and chikungunya virus (CHIKV) new cases have been reported, including several deaths. This study aimed to isolate and detect these arboviruses from adult mosquitoes in Kelantan...
January 1, 2024: Journal of Vector Borne Diseases
#2
REVIEW
Ángel Giménez-Richarte, Cristina Arbona Castaño, José-Manuel Ramos-Rincón
Arboviruses represent a threat to transfusion safety for several reasons: the presence of vectors and the notification of autochthonous cases in our region, the recent increase in the number of cases transmitted through blood and/or blood component transfusion, the high prevalence rates of RNA of the main arboviruses in asymptomatic blood donors, and their ability to survive processing and storage in the different blood components. In an epidemic outbreak caused by an arbovirus in our region, transfusion centres can apply different measures: reactive measures, related to donor selection or arbovirus screening, and proactive measures, such as pathogen inactivation methods...
April 19, 2024: Medicina Clínica
#3
JOURNAL ARTICLE
André S Leandro, Wagner A Chiba de Castro, Michel Varajão Garey, Rafael Maciel-de-Freitas
In the last decades, dengue has become one of the most widespread mosquito-borne arboviruses in the world, with an increasing incidence in tropical and temperate regions. The mosquito Aedes aegypti is the dengue primary vector and is more abundant in highly urbanized areas. Traditional vector control methods have showing limited efficacy in sustaining mosquito population at low levels to prevent dengue virus outbreaks. Considering disease transmission is not evenly distributed in the territory, one perspective to enhance vector control efficacy relies on identifying the areas that concentrate arbovirus transmission within an endemic city, i...
April 18, 2024: Scientific Reports
#4
JOURNAL ARTICLE
Robert Steffen, Davidson H Hamer, Lin H Chen, Eric Caumes, Colleen L Lau
Recent epidemics of dengue and chikungunya have highlighted the urgent need for vaccines to reduce the risk of infection in travellers. Given challenges tracking chikungunya outbreaks in real-time and the widespread resurgence of dengue, broader indications for the use of the new chikungunya and dengue vaccines should be considered.
April 18, 2024: Journal of Travel Medicine
#5
JOURNAL ARTICLE
Paola Mariela Saba Villarroel, Rodolphe Hamel, Nuttamonpat Gumpangseth, Sakda Yainoy, Phanit Koomhin, Dorothée Missé, Sineewanlaya Wichit
BACKGROUND: Zika virus (ZIKV) has spread to five of the six World Health Organization (WHO) regions. Given the substantial number of asymptomatic infections and clinical presentations resembling those of other arboviruses, estimating the true burden of ZIKV infections is both challenging and essential. Therefore, we conducted a systematic review and meta-analysis of seroprevalence studies of ZIKV IgG in asymptomatic population to estimate its global impact and distribution. METHODOLOGY/PRINCIPAL FINDINGS: We conducted extensive searches and compiled a collection of articles published from Jan/01/2000, to Jul/31/2023, from Embase, Pubmed, SciELO, and Scopus databases...
April 17, 2024: PLoS Neglected Tropical Diseases
#6
JOURNAL ARTICLE
Filipe de Neri Machado, Anthony D K Draper, Anferida Monteiro Fernandes, Frederico Bosco Alves Dos Santos, Marcelo Amaral Mali, Ari J Pereira Tilman, Endang Soares da Silva, Elizabeth Hornay, Antonio Salles de Sousa, Tessa Oakley, Edinha da Cruz, Nevio Sarmento, Maria A V Niha, Ana Fatima Soares, Eva Estrelita Cardoso Gomes, Jose de Deus Alves, Jose Paulo Soares, Joshua R Francis, Jennifer Yan, Merita Antonio Monteiro
Timor-Leste is a mountainous, half-island nation with a population of 1.3 million, which shares a land border with Indonesia and is 550 km from Darwin, Australia. Since independence in 2002, Timor-Leste has achieved significant development; however, high levels of poverty remain. Chikungunya virus (CHIKV) is endemic in over 100 countries in Africa, Asia, Europe and in the Americas. It is transmitted by the bite of infected Aedes aegypti or Ae. albopictus mosquitoes, which are present in Timor-Leste and which contribute to annual rainy-season dengue virus (DENV) outbreaks...
April 10, 2024: Communicable Diseases Intelligence
#7
JOURNAL ARTICLE
Filipe de Neri Machado, Anthony D K Draper, Frederico Bosco Alves Dos Santos, Marcelo Amaral Mali, Ari J Pereira Tilman, Endang Soares da Silva, Noel Gama Soares, Nevio Sarmento, Maria A V Niha, Ana Fatima Soares, Abdoulie Taal, Joshua R Francis, Jennifer Yan, Megge Miller, James Flint
Dengue virus (DENV) infection causes 390 million infections per year and 40,000 deaths globally. It is endemic in many countries in Asia, Africa, the Americas, the Caribbean, and Oceania. Dengue is endemic in Timor-Leste year-round, but peak transmission occurs during the rainy season. We briefly describe the epidemiology of DENV in the Municipality of Dili between 2018 and 2022. There were 6,234 cases notified, with a mean annual incidence rate of 330 cases per 100,000 population. There were 55 deaths (case fatality rate 0...
April 10, 2024: Communicable Diseases Intelligence
#8
JOURNAL ARTICLE
Ana Paula Andreolla, Alessandra Abel Borges, Seigo Nagashima, Caroline Busatta Vaz de Paula, Lucia de Noronha, Nilson I T Zanchin, Juliano Bordignon, Claudia Nunes Duarte Dos Santos
Orthobunyavirus oropouche ense virus (OROV), the causative agent of Oropouche fever, is widely dispersed in Brazil and South America, causing sporadic outbreaks. Due to the similarity of initial clinical symptoms caused by OROV with other arboviruses found in overlapping geographical areas, differential diagnosis is challenging. As for most neglected tropical diseases, there is a shortage of reagents for diagnosing and studying OROV pathogenesis. We therefore developed and characterized mouse monoclonal antibodies and, one of them recognizes the OROV nucleocapsid in indirect immunofluorescent (IFA) and immunohistochemistry (IHC) assays...
April 8, 2024: Virology Journal
#9
JOURNAL ARTICLE
Xiaolin Xiao, Ling Kong, Zhensheng Xie, Hongkai Liu, Lijun Cai, Siyu Zhao, Jiayong Zhou, Shuang Liu, Jing Wu, Yiming Wu, Peilin Wu, Anthony A James, Xiao-Guang Chen
The vast majority of all global species have circadian rhythm cycles that allow them to adapt to natural environments. These regular rhythms are regulated by core clock genes and recent studies have also implicated roles for microRNAs in this regulation. Oviposition is an important circadian behavior in the reproductive cycle of insect vectors of diseases, and little is known about the rhythm or its regulation in mosquitoes. Aedes albopictus is a diurnal mosquito that transmits arboviruses and is the major cause of outbreaks of dengue fever in China...
March 31, 2024: Insect Science
#10
JOURNAL ARTICLE
Vector mosquito distribution and richness are predicted by socio-economic, and ecological variables.
Stephany Rodríguez-González, Mónica Izquierdo-Suzán, Maya Rocha-Ortega, Alex Córdoba-Aguilar
Mosquitoes of vectorial importance represent a ubiquitous and constant threat of potentially devastating arboviral outbreaks. Our ability to predict such outcomes is still restricted. To answer this, we have used an extensive data collection of 23 vector and 233 non-vector mosquito species distributed throughout the Mexican territory and linked them to social and environmental factors. Our aim was to predict vector and non-vector mosquitoes' distribution and species richness based on socioeconomic and environmental data...
March 22, 2024: Acta Tropica
#11
JOURNAL ARTICLE
Nathalia Zini, Matheus Henrique Tavares Ávila, Natalia Morbi Cezarotti, Maisa Carla Pereira Parra, Cecília Artico Banho, Livia Sacchetto, Andreia Francesli Negri, Emerson Araújo, Cintia Bittar, Bruno Henrique Gonçalves de Aguiar Milhin, Victor Miranda Hernandes, Karina Rocha Dutra, Leonardo Agopian Trigo, Leonardo Cecílio da Rocha, Rafael Alves da Silva, Gislaine Celestino Dutra da Silva, Tamires Fernanda Pereira Dos Santos, Beatriz de Carvalho Marques, Andresa Lopes Dos Santos, Marcos Tayar Augusto, Natalia Franco Bueno Mistrão, Milene Rocha Ribeiro, Tauyne Menegaldo Pinheiro, Thayza Maria Izabel Lopes Dos Santos, Clarita Maria Secco Avilla, Victoria Bernardi, Caroline Freitas, Flora de Andrade Gandolfi, Hélio Correa Ferraz Júnior, Gabriela Camilotti Perim, Mirella Cezare Gomes, Pedro Henrique Carrilho Garcia, Rodrigo Sborghi Rocha, Tayna Manfrin Galvão, Eliane Aparecida Fávaro, Samuel Noah Scamardi, Karen Sanmartin Rogovski, Renan Luiz Peixoto, Luiza Benfatti, Leonardo Teixeira Cruz, Paula Patricia de Freitas Chama, Mânlio Tasso Oliveira, Aripuanã Sakurada Aranha Watanabe, Ana Carolina Bernardes Terzian, Alice de Freitas Versiani, Margareth Regina Dibo, Francisco Chiaravalotti-Neto, Scott Cameron Weaver, Cassia Fernanda Estofolete, Nikos Vasilakis, Mauricio Lacerda Nogueira
BACKGROUND: Chikungunya virus (CHIKV) has spread across Brazil with varying incidence rates depending on the affected areas. Due to cocirculation of arboviruses and overlapping disease symptoms, CHIKV infection may be underdiagnosed. To understand the lack of CHIKV epidemics in São José do Rio Preto (SJdRP), São Paulo (SP), Brazil, we evaluated viral circulation by investigating anti-CHIKV IgG seroconversion in a prospective study of asymptomatic individuals and detecting anti-CHIKV IgM in individuals suspected of dengue infection, as well as CHIKV presence in Aedes mosquitoes...
March 14, 2024: PLoS Neglected Tropical Diseases
#12
JOURNAL ARTICLE
Antônio Felipe Lopes Cavalcante, Joanna Sacha Cunha Brito Holanda, João Octávio Sales Passos, Joyce Maria Pereira de Oliveira, Edgard Morya, Alexandre H Okano, Marom Bikson, Rodrigo Pegado
BACKGROUND: Chikungunya virus (CHIKV) is a globally prevalent pathogen, with outbreaks occurring in tropical regions. Chronic pain is the main symptom reported and is associated with decreased mobility and disability. Transcranial direct current stimulation (tDCS) is emerging as a new therapeutic tool for chronic arthralgia. OBJECTIVE: To evaluate the effectiveness of 10 consecutive sessions of anodal tDCS on pain (primary outcome) in participants with chronic CHIKV arthralgia...
March 12, 2024: Annals of Physical and Rehabilitation Medicine
#13
JOURNAL ARTICLE
André de Souza Leandro, Lara Helena Pires-Vieira, Renata Defante Lopes, Açucena Veleh Rivas, Caroline Amaral, Isaac Silva, Rafael Maciel-de-Freitas, Wagner A Chiba de Castro
OBJECTIVES: Arboviruses, such as dengue (DENV), zika (ZIKV), and chikungunya (CHIKV), constitute a growing urban public health threat. Focusing on Aedes aegypti mosquitoes, their primary vectors, is crucial for mitigation. While traditional immature-stage mosquito surveillance has limitations, capturing adult mosquitoes through traps yields more accurate data on disease transmission. However, deploying traps presents logistical and financial challenges, demonstrating effective temporal predictions but lacking spatial accuracy...
March 12, 2024: Tropical Medicine & International Health
#14
REVIEW
Justine Laverdeur, Daniel Desmecht, Marie-Pierre Hayette, Gilles Darcis
Arthropod-borne viral diseases are likely to be affected by the consequences of climate change with an increase in their distribution and intensity. Among these infectious diseases, chikungunya and dengue viruses are two (re)emergent arboviruses transmitted by Aedes species mosquitoes and which have recently demonstrated their capacity for rapid expansion. They most often cause mild diseases, but they can both be associated with complications and severe forms. In Europe, following the establishment of invasive Aedes spp, the first outbreaks of autochtonous dengue and chikungunya have already occurred...
2024: Front Epidemiol
#15
JOURNAL ARTICLE
Eusebio Manuel, António Armando, Moisés Francisco, Joana Paixão, Javier Aramburu, Miguel Dos Santos de Oliveira, Helga Freitas, Alda Morais Pedro, Domingos Jandondo, Pablo Babrero Carderon, Sandra Lopez Lamezon, Filomeno Fortes, Jorge Mariscal, Yolanda Cardoso, Rosa Moreira, Joana Morais, Ngiambudulu M Francisco
BACKGROUND AND AIMS: The acute tropical infectious disease known as yellow fever (YF) is caused by an arbovirus and is characterized by fever, jaundice, hemorrhage, headache, muscle pain, nausea, vomiting, and fatigue. Angola experienced a yellow fever virus (YFV) outbreak that was documented in December 2015. However, little is known about the outcome of this outbreak. We aimed to demonstrate epidemic features and lessons learned during the YF epidemic in Angola. METHODS: A total of 4618 blood samples from suspected YF cases were sent to the Instituto Nacional de Investigação em Saúde (INIS), a national referral and public health laboratory, between December 5, 2015, and December 23, 2016...
February 2024: Health Science Reports
#16
REVIEW
Moncef Khairallah, Nesrine Abroug, Derrick Smit, Soon-Phaik Chee, Wijden Nabi, Steven Yeh, Justine R Smith, Imen Ksiaa, Emmett Cunningham
PURPOSE: To provide an overview of pre-selected emerging arboviruses (arthropod-borne viruses) that cause ocular inflammation in humans. METHODS: A comprehensive review of the literature published between 1997 and 2023 was conducted in PubMed database. We describe current insights into epidemiology, systemic and ocular manifestations, diagnosis, treatment, and prognosis of arboviral diseases including West Nile fever, Dengue fever, Chikungunya, Rift Valley fever, Zika, and Yellow fever...
March 5, 2024: Ocular Immunology and Inflammation
#17
JOURNAL ARTICLE
Sarah Kada, Gabriela Paz-Bailey, Laura E Adams, Michael A Johansson
Dengue viruses (DENV) are endemic in the US territories of Puerto Rico, American Samoa, and the US Virgin Islands, with focal outbreaks also reported in the states of Florida and Hawaii. However, little is known about the intensity of dengue virus transmission over time and how dengue viruses have shaped the level of immunity in these populations, despite the importance of understanding how and why levels of immunity against dengue may change over time. These changes need to be considered when responding to future outbreaks and enacting dengue management strategies, such as guiding vaccine deployment...
March 1, 2024: PLoS Neglected Tropical Diseases
#18
JOURNAL ARTICLE
Roberto Barrera, Jose Ruiz, Laura E Adams, Melissa Marzan-Rodriguez, Gabriela Paz-Bailey
Dengue viruses (DENV) continue to cause large outbreaks in tropical countries, while chikungunya and Zika (ZIKV) viruses have added complexity to Aedes-borne disease prevention and control efforts. Because these viruses are transmitted by the same vectors in urban areas, it is useful to understand if sequential outbreaks caused by these viruses have commonalities, such as similar seasonal and spatial patterns, that would help anticipate and perhaps prevent future outbreaks. We explored and analyzed the heterogeneity of confirmed cases of DENV (2010-2014 and 2015-2022) and ZIKV (2016-2017) during outbreaks in the San Juan metropolitan area of Puerto Rico to explore their degree of overlap and prioritize areas for Aedes aegypti control...
February 27, 2024: American Journal of Tropical Medicine and Hygiene
#19
JOURNAL ARTICLE
Josiane Nogueira Müller, Allan Kardec Ribeiro Galardo, Ana Paula Sales de Andrade Corrêa, Maria de Lourdes da Graça Macoris, Maria Alice Varjal de Melo-Santos, Mitsue Maia Nakazawa, Ademir Jesus Martins, José Bento Pereira Lima
BACKGROUND: Aedes aegypti is associated with dengue, Zika, and chikungunya transmission. These arboviruses are responsible for national outbreaks with severe public health implications. Vector control is one of the tools used to prevent mosquito proliferation, and SumiLarv® 2MR is an alternative commercial product based on pyriproxyfen for larval/pupal control. In this study, the residual effectiveness of SumiLarv® 2MR in different regions of Brazil was evaluated in simulated field conditions...
February 26, 2024: Parasites & Vectors
#20
JOURNAL ARTICLE
Eduardo Alves Caixeta, Mariana Andrioli Pinheiro, Victoria Souza Lucchesi, Anna Gabriella Guimarães Oliveira, Grazielle Cossenzo Florentino Galinari, Herlandes Penha Tinoco, Carlyle Mendes Coelho, Zélia Inês Portela Lobato
Bluetongue Virus (BTV) and Epizootic Hemorrhagic Disease Virus (EHDV) are Orbiviruses primarily transmitted by their biological vector, Culicoides spp. Latreille, 1809 (Diptera: Ceratopogonidae). These viruses can infect a diverse range of vertebrate hosts, leading to disease outbreaks in domestic and wild ruminants worldwide. This study, conducted at the Belo Horizonte Municipal Parks and Zoobotany Foundation (FPMZB-BH), Minas Gerais, Brazil, focused on Orbivirus and its vectors. Collections of Culicoides spp...
February 15, 2024: Viruses
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