Journal Scan: Chikungunya Fever Coming to an ED Near You

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Source: Emergency Medicine News - Category: Emergency Medicine Tags: Journal Scan Source Type: news

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Abstract Dengue fever and other febrile mosquito-borne diseases place considerable health and economic burdens on small island nations in the Caribbean. Here, we used two methods of cluster detection to find potential hotspots of transmission of dengue and chikungunya in Barbados, and to assess the impact of input surveillance data and methodology on observed patterns of risk. Using Moran's I and spatial scan statistics, we analyzed the geospatial and temporal distribution of disease cases and rates across Barbados for dengue fever in 2013-2016, and a chikungunya outbreak in 2014. During years with high numbers of...
Source: The American Journal of Tropical Medicine and Hygiene - Category: Tropical Medicine Authors: Tags: Am J Trop Med Hyg Source Type: research
Abstract Dengue is the most important infectious disease in the world and is a severe public health problem. The chikungunya is an arbovirus, in many cases, increased, which is transmitted by the same transmitter dengue vector, Aedes aegypti. The symptoms of both diseases are similar, and infections can be lethal. Although there is no preventive vaccine against any of the two diseases, therefore, it is extremely important to control the mosquito. The eggs of A. aegypti are very resistant and hatch into larvae, which later give rise to mosquitoes in any container with water. Natural plant extracts have come from ac...
Source: Environmental Science and Pollution Research International - Category: Environmental Health Authors: Tags: Environ Sci Pollut Res Int Source Type: research
Publication date: Available online 18 October 2019Source: Microchemical JournalAuthor(s): Welma T.S. Vilar, Mayara F. Barbosa, Licarion Pinto, Mário César Ugulino de Araújo, Márcio José Coelho PontesABSTRACTAedes aegypti mosquitoes are vectors of diseases such as dengue, chikungunya, zika and yellow fever. With the increase in the incidence of these diseases the population has resorted to the use of repellents searching to protect themselves from mosquito attack. The Brazilian market offers a wide variety of products with different active principles in varying levels of concentration, tim...
Source: Microchemical Journal - Category: Chemistry Source Type: research
Conclusions: Major epigenetic alterations found on arboviruses infections were miR-146, miR-30e and the Dicer complex. However, existing studies frequently tested distinct hypotheses resulting in a heterogeneity of methodological approaches. Whilst epigenetic signatures associated with arbovirus infections have been reported, existing studies have largely focused on a small number of diseases, particularly dengue. Validation of epigenetic signatures have an untapped potential, but concerted investigations are certainly required to deliver robust candidates of clinical utility for diagnosis, staging and prognosis of specifi...
Source: Frontiers in Immunology - Category: Allergy & Immunology Source Type: research
Publication date: May 2019Source: Saudi Journal of Biological Sciences, Volume 26, Issue 4Author(s): Aarti Sharma, Sarita Kumar, Pushplata TripathiAbstractAedes aegypti L. is the primary vector associated with transmission of globally concerned diseases; Zika, yellow fever, dengue and Chikungunya. Present study investigates an efficient, alternative and comparative approach for mosquito control which is safe to environment and non-target organisms. The silver nano-composites (AgNCs) were synthesized from the aqueous stem extract of Achyranthes aspera (AASE) using different concentration of aqueous silver nitrate (AgNO3). T...
Source: Saudi Journal of Biological Sciences - Category: Biology 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
In the present study, high purity copper oxide nanoparticles (NPs) were synthesised using Tridax procumbens leaf extract. Green syntheses of nano-mosquitocides rely on plant compounds as reducing and stabilising agents. Copper oxide NPs were characterised using X-ray diffraction (XRD) analysis, Fourier transform infrared (FT-IR), Field-emission scanning electron microscopy with energy dispersive spectroscopy, Ultraviolet–visible spectrophotometry and fluorescence spectroscopy. XRD studies of the NPs indicate crystalline nature which was perfectly matching with a monoclinic structure of bulk CuO with an average crysta...
Source: IET Nanobiotechnology - Category: Nanotechnology Source Type: research
E. Franz The transmission cycle of chikungunya virus (CHIKV) requires that mosquito vectors get persistently infected with the virus, following its oral acqsuisition from a vertebrate host. The mosquito midgut is the initial organ that gets infected with orally acquired CHIKV. Following its replication in the midgut epithelium, the virus exits the midgut and infects secondary tissues including the salivary glands before being transmitted to another host. Here, we investigate the pattern of CHIKV dissemination from the midgut of Aedes aegypti at the ultrastructural level. Bloodmeal ingestion caused overstretching of th...
Source: Viruses - Category: Virology Authors: Tags: Article Source Type: research
CONCLUSIONS: The present cohort shows that it was not possible to establish a causal relationship between GBS and Zika virus, but other viral and bacterial causal agents were identified, such as dengue, chikungunya and enterovirus, with the identification of Campylobacter cases even more remarkable. PMID: 30183060 [PubMed - in process]
Source: Revista de Neurologia - Category: Neurology Authors: Tags: Rev Neurol Source Type: research
AbstractThe practice of rheumatology in a country like India presents its own unique challenges, including the need to manage patients in a cost-constrained setting, where the lack of uniform government funding for healthcare merits the need to optimize the use of cheaper medicines, as well as devise innovative strategies to minimize the use of costlier drugs such as biologic disease-modifying agents. Use of immunosuppressive agents is also associated with increased risks of infectious complications, such as the reactivation of tuberculosis. In this narrative review, we provide a flavor of such challenges unique to Rheumat...
Source: Rheumatology International - Category: Rheumatology Source Type: research
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