Zika

The Wolbachia bacteria has successfully suppressed dengue-fever carrying mosquitoes in a trial, but more work is needed to understand how the insects move to infest new areas

(Actually four gross facts, and one geekily great one)

It may be just a matter of time before the tiger mosquito arrives on mainland Australia bringing tropical diseases south

Second strain of bacteria that guards against mutations gives researchers an insurance policy in fight against mosquito-borne viruses

A simple bacterium that can stop mosquitoes carrying many viruses could be part of the answer in controlling the Zika outbreak in Latin America

The Zika emergency seemed to come from nowhere, but there are a host of other viruses making scientists nervous