Listen to the story!
"Scientists in Australia are using a bacterium to try to stop a deadly virus in its tracks.
The dengue virus causes a potentially fatal flu-like illness. The World Health Organization says the number of cases of dengue around the world is skyrocketing, and the disease is endemic in more than 100 countries. It has even shown up in Florida recently. There's no vaccine against the virus yet, so control efforts have focused on the mosquito that transmits the disease...."
More at NPR