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Children run as an agent of the National Institute of Public Hygiene carries out fumigation in the Anyama district of Abidjan,Ivory Coast. SIA KAMBOU/AFP via Getty Images

More dengue fever and less malaria – mosquito control strategies may need to shift as Africa heats up

A warming climate may change the types of viruses that thrive. A new report suggests that the threat of malaria may be replaced by dengue, for which there is no treatment and no cure.
In 2018 scientists of the Miami-Dade County Mosquito Control tested a new way to suppress mosquito populations carrying the Zika virus. RHONA WISE/AFP via Getty Images

Genetically modified mosquitoes could be released in Florida and Texas beginning this summer – silver bullet or jumping the gun?

Release of GM mosquitoes in Florida is imminent. But a multidisciplinary team of scientists believe that more studies are needed first. They encourage a publicly accessible registry for GM organisms.
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’.
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.
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.
Most cases of Zika are asymptomatic. Airman Magazine/U.S. Air Force Photo/Tech. Sgt. Brandon Shapiro/Flickr

Zika virus: Only a few small outbreaks likely to occur in the continental US

A computer model suggests that while more cases of Zika can be expected in the continental U.S. outbreaks will probably be small and are not projected to spread.
A book about Aedes aegypti mosquitoes is seen next to larvae in a laboratory conducting research on preventing the spread of the Zika virus and other mosquito-borne diseases, at the Ministry of Public Health in Guatemala City. Josue Decavele/Reuters

Zika: Aedes aegypti mosquitoes love biting humans, and that’s why they spread viruses so well

Aedes aegypti is adapted to live in close proximity with humans, and this close association likely contributes to the severity of the Zika outbreak.
Female Aedes aegypti mosquitoes transmit dengue fever when enjoying blood meals. James Gathany

Modifying mosquitoes to stop transmission of dengue fever

Annihilate the Aedes aegypti mosquito population and you’d stop dengue fever from infecting up to 100 million people worldwide annually. Here are some high-tech methods under development.

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