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Articles on Dengue

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Mosquito eggs can remain viable for years even in dry conditions and hatch after heavy persistent rains. Shutterstock

Heavy rains put Kenya at risk of mosquito-borne diseases

Prolonged rains increase the amount of stagnant water in the environment in which mosquitoes breed. This increases the risk of mosquito-borne diseases.
Although yellow fever does not currently exist in Australia, the species Aedes aegypti - which can transmit the disease - is found widely across northern Queensland. The virus remains a global health concern, but citizen scientists could help prevent its spread. Simon Kutcher/flickr

As heat strikes, here’s one way to help fight disease-carrying and nuisance mosquitoes

Nuisance-biting and mosquito-borne disease are ongoing concerns for health authorities. But an effective citizen science program is now showing how all of us can help beat the bite of mozzies.
Mosquitoes are one of the deadliest creatures because they are carriers for many lethal viruses. Shutterstock

Genetically modifying mosquitoes to control the spread of disease carries unknown risks

Genetically modified mosquitoes were released in Brazil in an attempt to halt the spread of dengue fever by reducing the mosquito population.
Australia’s dengue cases are usually limited to far north Queensland. Shutterstock

After decades away, dengue returns to central Queensland

Mosquito-borne dengue virus returned to central Queensland after being absent for decades. But while most Australian cases involve travellers, this one is locally acquired.
We might not be able to use common insecticides to kill mosquitoes that arrive from other countries. from www.shutterstock.com

Stowaway mozzies enter Australia from Asian holiday spots – and they’re resistant to insecticides

Been on a tropical holiday? You might have brought home more than just a new sarong and extra colour in your cheeks – perhaps a mosquito that spreads dengue, or another known as ‘the BBQ stopper’.
A female Anopheles stephensi mosquito bites a human to get a blood meal through its pointed proboscis. A droplet of blood is expelled from the abdomen after having engorged itself. Jim Gathany/Wikimedia Commons

Using gene drives to control wild mosquito populations and wipe out malaria

Researchers are exploring genetic forms of population control called gene drives that spread traits faster that happens naturally. The goal is to curb mosquito-borne diseases like malaria.
View of Taichung City, Taiwan, behind a mosquito net. Alan Picard / Shutterstock.com

Opening up research labs with modified mosquitoes to the community

Genetically modified mosquitoes breed fear and suspicion, especially since the research happens behind closed doors, away from the public. Now scientists and architects are trying to change that model.
Warmer temperatures could lead to more zones of the country that make good breeding sites for mosquitoes. Apichart Meesri / Shutterstock.com

Is climate change causing a rise in the number of mosquito and tick-borne diseases?

Is our changing climate making regions of the US more suitable for ticks and mosquitoes that spread diseases? Or is the climate changing human physiology making us more vulnerable?
More than 3.9 billion people live in regions where the Aedes aegypti mosquito is present. This species transmits Zika, dengue, chikungunya, and yellow fever. mycteria/Shutterstock.com

Genetically modified mosquitoes may be best weapon for curbing disease transmission

For several billion people mosquitoes are more than a nuisance – they transmit deadly diseases. Now genetic modification may prove the most effective defense against the mosquito, preventing disease.
Psorophora ferox female, a potential vector for Madariaga virus. Photo taken on Heritage Island, Anacostia River, in Washington, D.C., June 30, 2012. Wikimedia Commons

As Venezuela’s public health system collapses, mosquito-borne viruses re-emerge

The collapse of Venezuela’s public health system has terrible consequences inside the country, but it also is giving rise to mosquito-borne viruses that could spread to nearby countries.
Aedes Aegypti mosquitoes viewed through a microscope in Broward County, Florida, in June 2016. AP Photo/Lynne Sladky

Harvey and Irma present nearly perfect conditions for Zika-spreading mosquitoes

Vast amounts of standing water in Houston and other hurricane-flooded areas are dangerous not only because of toxins. The water is a dangerous breeding ground for mosquitoes that transmit Zika.

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