Over 380,000 people have been protected from dengue fever in Vietnam thanks to the implementation of a novel strategy to control mosquitoes in the country, concludes a report in this week’s issue of THE LANCET.
Dengue fever is the most common insect-borne virus infection, causing more than 50 million infections, 500 000 cases of dengue haemorrhagic fever and at least 12 000 deaths per year. The mosquito, Aedes aegypti, is the major global vector of dengue viruses. It needs stagnant water to breed and is commonly found in water storage containers.
Brian Kay (Royal Brisbane Hospital, Queensland, Australia) and Vu Sinh Nam (Ministry of Health, Vietnam) developed a mosquito control strategy and evaluated it in12 provinces in Vietnam from 1998 to 2003. Their strategy involves inoculating large water storages with crustaceans called Mesocyclops, which feed on mosquito larvae and targeting containers that produce the most mosquito larvae. Community education and activities, such as the collection of discarded containers, also form an important part of the strategy.
Udani Samarasekera | alfa
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An international team of physicists has monitored the scattering behaviour of electrons in a non-conducting material in real-time. Their insights could be beneficial for radiotherapy.
We can refer to electrons in non-conducting materials as ‘sluggish’. Typically, they remain fixed in a location, deep inside an atomic composite. It is hence...
Two-dimensional magnetic structures are regarded as a promising material for new types of data storage, since the magnetic properties of individual molecular building blocks can be investigated and modified. For the first time, researchers have now produced a wafer-thin ferrimagnet, in which molecules with different magnetic centers arrange themselves on a gold surface to form a checkerboard pattern. Scientists at the Swiss Nanoscience Institute at the University of Basel and the Paul Scherrer Institute published their findings in the journal Nature Communications.
Ferrimagnets are composed of two centers which are magnetized at different strengths and point in opposing directions. Two-dimensional, quasi-flat ferrimagnets...
An Australian-Chinese research team has created the world's thinnest hologram, paving the way towards the integration of 3D holography into everyday...
In the race to produce a quantum computer, a number of projects are seeking a way to create quantum bits -- or qubits -- that are stable, meaning they are not much affected by changes in their environment. This normally needs highly nonlinear non-dissipative elements capable of functioning at very low temperatures.
In pursuit of this goal, researchers at EPFL's Laboratory of Photonics and Quantum Measurements LPQM (STI/SB), have investigated a nonlinear graphene-based...
Dental plaque and the viscous brown slime in drainpipes are two familiar examples of bacterial biofilms. Removing such bacterial depositions from surfaces is...
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22.05.2017 | Event News
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23.05.2017 | Earth Sciences
23.05.2017 | Life Sciences
23.05.2017 | Physics and Astronomy