IJERPH, Vol. 17, Pages 1291: Abundance and Updated Distribution of Aedes aegypti (Diptera: Culicidae) in Cabo Verde Archipelago: A Neglected Threat to Public Health

Conclusion: These results suggest that if no vector control measures are considered to be in place, the risk of new arboviral outbreaks in Cabo Verde is high. The vector control strategy adopted must include measures of public health directed to domestic water storage and management.
Source: International Journal of Environmental Research and Public Health - Category: Environmental Health Authors: Tags: Article Source Type: research

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The present study shows that the most prominent human arboviruses worldwide (dengue viruses 1, 2, 3, and 4, Chikungunya virus, and Zika virus) can infect wild animals and jump from urban to sylvatic maintenance cycles in South America, as did the yellow fever virus in the past. All these viruses are transmitted by the anthropophilic mosquito Aedes aegypti and cause epidemics throughout Brazil. The yellow fever virus is the oldest example of an urban arbovirus that became sylvatic in South America. Currently, the disease is a zoonosis of non-human primates that moves like a wave through forests of the Brazilian countryside,...
Source: Frontiers in cellular and infection microbiology - Category: Microbiology Source Type: research
This study shows spatiotemporal variability in IR inAe.aegypti populations in southern coastal Ecuador, and provides an initial examination of IR in this region, helping to guide vector control efforts forAe.aegypti.
Source: PLoS Neglected Tropical Diseases - Category: Tropical Medicine Authors: Source Type: research
Adriano Queiroz1, Isabella Fernanda Dantas Pinto2, Maricélia Lima3, Marta Giovanetti1,4, Jaqueline Goes de Jesus1, Joilson Xavier1, Fernanda Khouri Barreto5, Gisele André Baptista Canuto6, Helineide Ramos do Amaral7, Ana Maria Bispo de Filippis4, Denise Lima Mascarenhas8, Melissa Barreto Falcão8, Normeide Pedreira Santos8, Vasco Ariston de Carvalho Azevedo9, Marcos Yukio Yoshinaga2*, Sayuri Miyamoto2 and Luiz Carlos Junior Alcantara1,4,10* 1Laboratório de Patologia Experimental, Instituto Gonçalo Moniz, Salvador, Brazil 2Departamento de Bioquímica, Instituto de Quími...
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
Conclusions Apart West Nile virus (78), thousands of congenital microcephaly cases, fetal brain tissue damage and neurological syndromes have been associated with ZIKV infection. Unfortunately, the epidemics of this mosquito born, and a relative stable virus is on a rise. Although congenital microcephaly is a rare disorder however, due to lack of standardized diagnostic test facilities, the incidence in the geographically widespread ZIKV epidemic regions is higher. Animals studies showed that ZIKV is a neurotropic virus. It directly targets the developing embryonic brain cells by inducing apoptosis, cell-cycle arrest, and...
Source: Frontiers in Neurology - Category: Neurology Source Type: research
Conclusion and Perspectives Arbovirus infections, such as CHIKV, have been growing worldwide and are becoming a major public health problem, especially in immuno-compromised classes such as children and the elderly. CHIKV is dangerous since it can cause arthritis, fever and other impairments, making it necessary to seek new ways to counter the proliferation of this virus. Knowing the vector’s competence is fundamentally important, including an understanding of the vector virus interaction and the modulation of this interaction. Despite advances in the knowledge of mosquito competence in the transmission of CHIKV, li...
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
In recent years, Brazil has experienced several epidemics caused by arboviruses, such as dengue virus (DENV serotypes 1 –4), Zika virus (ZIKV), chikungunya virus (CHIKV), and yellow fever virus (YFV). In the past 2 years, the largest epidemic of sylvatic yellow fever in decades occurred in areas that were not considered at risk (Faria et al., 2018). As part of the response to this recent outbreak, federal and state authorities conducted mass vaccination campaigns against YFV, and the vaccination is now recommended and offered in 19 Brazilian states (Saúde, 2018b).
Source: International Journal of Infectious Diseases - Category: Infectious Diseases Authors: Tags: Short Communication Source Type: research
ARBOVIRUS INVESTIGATION IN PATIENTS FROM MATO GROSSO DURING ZIKA AND CHIKUNGUNYA VIRUS INTRODUTION IN BRAZIL, 2015-2016. Acta Trop. 2018 Dec 12;: Authors: de Souza Costa MC, Siqueira Maia LM, de Souza VC, Gonzaga AM, de Azevedo VC, Martins LR, Chaves Pavoni JH, Naveca FG, Slhessarenko RD Abstract Arboviruses have become a major public health concern in Brazil, especially after Zika virus (ZIKV) and Chikungunya virus (CHIKV) introduction, leading to massive epidemics. We conducted an investigation of arboviruses in patients with acute febrile illness for less than five days in Mato Grosso state (MT) du...
Source: Acta Tropica - Category: Infectious Diseases Authors: Tags: Acta Trop Source Type: research
In this study, we were able to demonstrate that our measure for mosquito-borne viral suitability is informative in the context of Myanmar, despite the lack of ento-epidemiological datasets with high spatio-temporal resolution. By estimating suitability through climate variables and known ento-epidemiological parameters, we were able to project mosquito-born virus (MBV) suitability at the district level, a resolution for which epidemiological data and mosquito abundance measures are not generally available. Here, we discuss the national and subnational public health and control implications for MBVs in the context of our pr...
Source: PLOS Currents Outbreaks - Category: Epidemiology Authors: Source Type: research
DAVID E. BLOOM is the Clarence James Gamble Professor of Economics and Demography, DANIEL CADARETTE is a research assistant, and JP SEVILLA is a research associate, all at Harvard University’s T.H. Chan School of Public Health.By David E. Bloom, Daniel Cadarette and JP SevillaWASHINGTON DC, Jul 3 2018 (IPS)Infectious diseases and associated mortality have abated, but they remain a significant threat throughout the world.We continue to fight both old pathogens, such as the plague, that have troubled humanity for millennia and new pathogens, such as human immunodeficiency virus (HIV), that have mutated or spilled over ...
Source: IPS Inter Press Service - Health - Category: International Medicine & Public Health Authors: Tags: Active Citizens Development & Aid Economy & Trade Global Headlines Health TerraViva United Nations Source Type: news
ConclusionsUsing a detailed agent-based dengue transmission model for Yucat án State, Mexico, we predict that high coverage indoor residual spraying (IRS) interventions can largely eliminate transmission for a few years, when applied a few months before the typical seasonal epidemic peak. However, vector control succeeds by preventing infections, which precludes natural im munization. Thus, as a population benefits from mosquito control, it gradually loses naturally acquired herd immunity, and the control effectiveness declines; this occurs across all of our modeled scenarios, and is consistent with other empirical ...
Source: PLoS Neglected Tropical Diseases - Category: Tropical Medicine Authors: Source Type: research
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