Municipal workers wait before spraying insecticide to prevent the spread of Aedes aegypti mosquito at Sambodrome in Rio de Janeiro, Brazil, January 26, 2016.
Zika was discovered almost 70 years ago, but wasn’t associated with outbreaks until 2007. So how did this formerly obscure virus wind up causing so much trouble in Brazil?
Why do mosquitoes not suffer from the infections they pass on?
There’s something about mosquitoes that means they don’t get sick from the infections they carry. So can we turn that function off, genetically?
Spread by mosquitoes.
Could this relatively unknown virus become a household name in the Americas in the year to come?
Which way to the bar?
The UK’s recent heatwave is perfect for mosquito breeding but something far more dangerous may be coming.
The yellow fever mosquito Aedes aegypti, taking a bloodmeal.
James Gathany/Public domain via Wikimedia Commons
Of the dangers facing travellers to Brazil for the World Cup, yellow fever is one of the least likely to pose a real threat. But there are two important things to know about the illness. First, it’s a…