Articles on Dengue

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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.
Revellers at a carnival in Sao Paulo wear mosquito masks in a reference to the Aedes aegypti mosquito, which can spread dengue and Zika on February 4, 2016. Paulo Whitaker/Reuters

Dengue virus antibodies may worsen a Zika infection

Emerging research suggests that preexisting immunity to dengue virus, which is endemic in South America, could make a subsequent Zika infection worse.
Most ill health can be avoided on family holidays through research and planning in advance, plus smart packing. from www.shutterstock.com

Prepare for a healthy holiday with this A-to-E guide

Simple steps can lower your risk of bringing home traveller's diarrhoea, respiratory infections and mosquito-borne diseases from your holiday.
For viruses like dengue, being injected with the pathogen as in a vaccine can open the door to secondary infections. from www.shutterstock.com.au

Explainer: what are antibodies and why are viruses like dengue worse the second time?

Our immune system protects us but when it comes to some mosquito-borne disease, it can work against us. What are the implications for the development of a Zika virus vaccine?
Cages full of hand reared yellow fever mosquitoes await research (or possibly release) Cameron Webb, NSW Health Pathology/University of Sydney

Pitting mozzies against mozzies to stop the spread of disease

Upscaling the success of emerging mosquito control technologies relies on automating the rearing and release of millions of mosquitoes. Australia is to become the testing ground for a novel strategy.
The outbreak of Zika virus in Brazil had Australian travellers on alert but transmission is only possible in tropical Queensland. Cameron Webb

Common Australian mosquitoes can’t spread Zika

New research shows common local mosquitoes aren’t able to spread Zika. This means Australia is unlikely to see a major outbreak of the disease. But a risk remains in northern Queensland.

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