A Brazilian former county employee, who forms part of the group ‘Mata Mosquito’ (Mosquito Killer), which works in the combat against mosquitos, demonstrates against the Government for taking too long in implementing a strategy to deal with a dengue fever outbreak, along the main avenue of Rio de Janeiro downtown on March 28, 2008. Brazilian authorities are taking emergency measures in Rio de Janeiro to fight a dengue fever outbreak that has killed 54 people and infected more than 43,000 across the state. By Vanderlei Almeida/AFP/Getty.
