Ovipositional Reproduction of the Dengue Vector for Identifying High-Risk Urban Areas
The objectives of this study were to identify high- risk areas for the presence ofAe. aegypti using mosquito traps and household visits to identify breeding sites; to identify and validate aspects of the remote sensing images that could characterize these areas; to evaluate the relationship between this spatial risk classification and the occurrence ofAe. aegypti; and provide a methodology to the health and control vector services and prioritize these areas for development of control measure. Information about the geographical coordinates of these traps will enable us to apply the kriging spatial analysis tool to generate ...
Source: EcoHealth - April 19, 2022 Category: Environmental Health Source Type: research
Virological Surveillance of Aedes aegypti Vectors Identifies All Four Dengue Serotypes in a Hyperendemic Region
AbstractDengue virus (DENV) 1 –4 is the etiological agent of dengue, the most important viral infection transmitted byAedes spp mosquitoes to humans. Our goal was to identify the circulating DENV inAedes aegypti collected in an area of Brazil where all four DENV serotypes had already been detected in humans, understand the epidemiology better, and to test the vector as a virological surveillance tool. Twenty-eight larvae pools and 174 females ofAedes aegypti were screened by reverse transcriptase quantitative polymerase chain reaction and semi-nested PCR assays. PCR products were sequenced, and phylogenetic analyses were...
Source: EcoHealth - March 22, 2022 Category: Environmental Health Source Type: research
Correction to: Foodborne Zoonoses Common in Hunted Wild Boars
(Source: EcoHealth)
Source: EcoHealth - March 18, 2022 Category: Environmental Health Source Type: research
Investing to Both Prevent and Prepare for COVID-XX
AbstractOne cause of the high rate of COVID-19 cases in the USA is thought to be insufficient prior capital investment in national health programs to preemptively reduce the likelihood of an outbreak and in national capacity to reduce the severity of any outbreak that does occur. We analyze the choice of capital investments (e.g. testing capacity, stockpiles of PPE, and information sharing capacity) and find the economically efficient capital stock associated with mitigating pandemic risk should be dramatically expanded. Policymakers who fail to invest in public health forgo significant expected cost savings from being pre...
Source: EcoHealth - March 12, 2022 Category: Environmental Health Source Type: research
In This Issue
(Source: EcoHealth)
Source: EcoHealth - March 8, 2022 Category: Environmental Health Source Type: research
A Review of Mammarenaviruses and Rodent Reservoirs in the Americas
AbstractIn the Americas, infectious viral diseases caused by viruses of the genusMammarenavirus have been reported since the 1960s. Such diseases have commonly been associated with land use changes, which favor abundance of generalist rodent species. In the Americas —where the rates of land use change are among the highest worldwide—at least 1326 of all 2277 known rodent species have been reported. We conducted a literature review of studies between 1960 and 2020, to establish the current and historical knowledge about genotypes of mammarenaviruses and thei r rodent reservoirs in the Americas. Our overall goal was to s...
Source: EcoHealth - March 5, 2022 Category: Environmental Health Source Type: research
Polybrominated Diphenyl Ethers (PBDEs) in Marine Fish and Dietary Exposure in Newfoundland
AbstractPresence of PBDEs tested in 127 liver samples from Atlantic Cod (Gadus morhua) and Turbot (Scophthalmus Maximus) and 80 adult participants from two rural Newfoundland communities. Seafood consumption was measured through a validated seafood consumption questionnaire. PBDEs (-28, -47, -99, -156, and -209) were found in all fish liver samples, and PBB-153 and PBDEs-28, -47, -99, -100, -153 were identified as the most prominent congeners from the participants' serum samples. Cod was the most frequently consumed species in the seafood consumption survey. PBB-153 was higher amongst older (> 50 years age) participa...
Source: EcoHealth - March 1, 2022 Category: Environmental Health Source Type: research
Ovipositional Reproduction of the Dengue Vector for Identifying High-Risk Urban Areas
The objectives of this study were to identify high- risk areas for the presence ofAe. aegypti using mosquito traps and household visits to identify breeding sites; to identify and validate aspects of the remote sensing images that could characterize these areas; to evaluate the relationship between this spatial risk classification and the occurrence ofAe. aegypti; and provide a methodology to the health and control vector services and prioritize these areas for development of control measure. Information about the geographical coordinates of these traps will enable us to apply the kriging spatial analysis tool to generate ...
Source: EcoHealth - March 1, 2022 Category: Environmental Health Source Type: research
Correction to: Investing to Both Prevent and Prepare for COVID-XX
(Source: EcoHealth)
Source: EcoHealth - March 1, 2022 Category: Environmental Health Source Type: research
Can Co-Grazing Waterfowl Reduce Brainworm Risk for Goats Browsing in Natural Areas?
AbstractGoats browsing in woodlands, whether for livestock production goals or vegetation management (e.g., targeted grazing to control invasive plants), are at risk of meningeal worm (Parelaphostrongylus tenuis) infection. Indeed, up to 25% incidence has been observed in goats employed in vegetation management. Infection, which occurs via the consumption of an infected gastropod intermediate host, is potentially deadly in goats. We experimentally tested whether co-grazing with waterfowl could reduce goats ’ exposure via waterfowl consumption of gastropods. Gastropods were sampled in a deciduous woodland before and after...
Source: EcoHealth - February 22, 2022 Category: Environmental Health Source Type: research
