Stopping The Spread Of Deadly Dengue Fever
Synopsis
Upwards of 50 to 100 million infections of dengue occur every year, prompting researchers to find ways to reduce transmission rates through innovative methods.
Synopsis
In Cairns, Australia, researchers Professors Richie and O'Neal work on a method to combat dengue fever, a virus that has spread globally since its origins in Africa. The Aedes aegypti mosquito transmits the virus, with cases in Australia quadrupling due to increased travel to Southeast Asia. By injecting mosquitoes with the bacterium Wolbachia, they aim to reduce transmission rates. Trials in 2011 showed promising results, with nearly 90% of mosquitoes infected, suggesting a potential path toward eradicating the disease.
Deep Dive
Why Watch
- See how dengue fever cases surged in Australia.
- Meet researchers injecting mosquitoes to combat dengue.
- Find out the impact of global travel on disease spread.
Did You Know
- Dengue fever cases have increased from about 10 to 30-50 imported cases per year over the last decade.
- In 2009, an outbreak in Cairns resulted in one death and thousands infected.
- The Aedes aegypti mosquito can carry the dengue virus for 12 days before transmitting it to humans.
- There are upwards of 50 to 100 million dengue infections globally each year.
Perfect For
Frequently Asked Questions
How many imported dengue cases were reported on average 10 years ago?
On average, about 10 imported dengue cases were reported 10 years ago.
What bacterium is being used to curb mosquito populations?
The bacterium being used to curb mosquito populations is called Wolbachia.
What percentage of mosquito transmission is needed to see a significant impact on dengue rates?
A penetration level of around 80% is expected to see a significant impact on dengue transmission.
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