Susceptibility to insecticides and resistance mechanisms in three populations of Aedes aegypti from Peru

Epidemics of dengue, chikungunya and Zika are a growing threat to areas where Aedes aegypti are present. The efficacy of chemical control of Ae. aegypti is threatened by the increasing frequency of insecticide re...
Source: Parasites and Vectors - Category: Microbiology Authors: Tags: Research Source Type: research

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Source: MCN: The American Journal of Maternal Child Nursing - Category: Nursing Tags: ONGOING COLUMNS: Hot Topics in Maternity Nursing Source Type: research
We present here results based on the molecular characterization of trypanosome isolates obtained from 1,493 bats representing 74 species and sampled over 16 countries across four continents.After estimating the appropriate number of hypothetical species in our data set using GMYC models in combination with Poisson Tree Processes (mPTP) and ABGD, the 18S rRNA and gGAPDH genes were used for phylogenetic analyses to infer the major evolutionary relationships in the T. cruzi clade. Then, biogeographical processes influencing the distribution of this cosmopolitan group of parasites was inferred using BioGeoBEARS. Results reveal...
Source: Molecular Phylogenetics and Evolution - Category: Molecular Biology Source Type: research
In this study, anti-CD20 monoclonal antibody (α-CD20 mAb)-mediated depletion of B cells from C57BL/6 mice revealed an important role for B cells in supporting Th2 immune responses and thus expulsion of Trichuris muris (T. muris). C57BL/6 mice normally mount mixed Th1/Th2 immune responses to T. muris and expel the parasite by the third week post infection. However, B cell-depleted C57BL/6 had significantly reduced Th2-type cytokines post infection and failed to expel the parasite. IFN-γ production in the MLN of C57BL/6 mice receiving α-CD20 mAb treatment was not affected, collectively resulting in an overa...
Source: Frontiers in Immunology - Category: Allergy & Immunology Source Type: research
CONCLUSIONS The double-membrane antigen DNA vaccine SjTsp2-29 elicited protection against Schistosoma infection and might serve as a vaccine candidate. PMID: 31811711 [PubMed - in process]
Source: Medical Science Monitor - Category: Research Tags: Med Sci Monit Source Type: research
(Natural News) Parasites are small organisms that depend on a living host for their survival and propagation. In humans, parasites are often found in the intestines, but they also dwell in other organs such as the skin and the brain. Because they cannot live sans their host, most human parasites don’t cause death, but some can...
Source: NaturalNews.com - Category: Consumer Health News Source Type: news
The bill aims to “provide Medicare support for an additional 1,000 graduate medical education (GME) positions over five years in hospitals that have, or are in the process of establishing, accredited residency programs in addiction medicine, addiction psychiatry, or pain medicine.”
Source: Forbes.com Healthcare News - Category: Pharmaceuticals Authors: Source Type: news
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
This study accessed the patients information on demographic characteristics, physical signs and symptoms. Study population This is a cross-sectional and observational study carried out in Brazil during DENV and ZIKV epidemic occurred in 2016. Patients were assisted at the Healthy Unit UPA Coronel Antonino in Campo Grande, MS, Brazil from February to March of 2016. During the study 134 suspected arboviral infection cases were included and submitted to investigation. Patients presenting fever, rash during acute phase of infection (up to the 7th day after disease onset) followed by at least two of the following signals a...
Source: PLOS Currents Outbreaks - Category: Epidemiology Authors: Source Type: research
Abstract Travel medicine defines all diseases and medical situations that are related to travel. Travel medicine comprises infectious diseases, traumas, altitude sickness, sun burns, embolisms, jet lag, and many more travel-related situations. With the increasing possibility and ease of travel, the number of people who have travelled internationally has exceeded 1.13 billion in 2014, and the revenues of international travel have exceeded 1.25 trillion dollars. With every passing day, international travels are shifting toward the developing countries and to more exotic regions of the world, and travelers tend to be...
Source: Turkish Society for Parasitology - Category: Parasitology Authors: Tags: Turkiye Parazitol Derg Source Type: research
Aedes aegypti and Ae. albopictus are the main epidemic vectors of dengue, chikungunya and Zika viruses worldwide. Their control during epidemics relies mainly on control of larvae and ...
Source: Parasites and Vectors - Category: Microbiology Authors: Source Type: research
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