Mosquitoes are the main vectors for dengue and zika. Insecticides are our best weapon against them.
Australian mosquitoes, unlike their Asian and American counterparts, can still be controlled by insecticides like pyrethroids. What lessons are there for managing pesticide resistance in insects?
Controlling mosquitoes has a large effect on controlling the diseases they carry.
Innovations targeted at mosquito control are good but should not draw focus away from the tried and tested public health measures to control mosquito-borne diseases.
The link between Zika and microcephaly is not proven, but the incidence of both have greatly increased in the same areas.
Despite high rates of infection, the Zika outbreak would not have been particularly alarming had it not been for the sudden and – apparently associated – increase in the numbers of infants born with microcephaly.
The WHO has declared a state of emergency to mobilise funds for research and greater awareness.
Salvatore Di Nolfi/AAP
Overnight, World Health Organisation Director-General Margaret Chan declared the outbreak of Zika virus a public health emergency. So what does this mean?