The Aedes aegypti is the vector of the Zika virus (and Dengue virus and in some places Malaria).

This is seems to be a reaction to how the Brazilian government has handled recent outbreaks of Zika.

Screenshot if they fix it: http://imgur.com/y2hLt7J

It has not been hacked. It's a marketing campaing on prevetion. Click on one of the mosquitos =)