Articles on Dengue

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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.
Municipal workers wait before spraying insecticide to prevent the spread of Aedes aegypti mosquito at Sambodrome in Rio de Janeiro, Brazil, January 26, 2016. Pilar Olivares/Reuters

Explainer: where did Zika virus come from and why is it a problem in Brazil?

Zika was discovered almost 70 years ago, but wasn't associated with outbreaks until 2007. So how did this formerly obscure virus wind up causing so much trouble in Brazil?
There is little doubt the virus can make it to Australia. mrfiza/Shutterstock

Does Zika virus pose a threat to Australia?

They’re small, spindly insects but their threat never dwindles – the bites of mosquitoes threaten death and disease in many parts of the world.

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