Debilitating virus looms on our doorstep

How worried should Australia be about the mosquito-borne chikungunya virus, which is currently spreading like wildfire through Asia? 

This story has all the makings of a Hollywood blockbuster.

It's the end of 2005 and a mosquito-borne virus mutates and adapts to a new host -- aptly named the Asian tiger mosquito (Aedes albopictus). The insect bites hard and its attack rate is extraordinary. Even light clothing and some insect repellents are no match for this voracious vampire.

People living in the south-west Indian Ocean region start getting