By Lise Alves, Senior Contributing Reporter

RIO DE JANEIRO, BRAZIL – With the start of summer and the warmer, more humid weather descending on Rio de Janeiro, state authorities are starting to worry about diseases caused by the Aedes Aegypti mosquitos.

The mosquitoes cause at least three serious viruses: dengue, Zika and chikungunya. Unlike at the beginning of 2016, when authorities were worried about Zika infection and the effects the virus would have on the Olympics, this year officials say their main worry is the chikungunya.

“We’ve had dengue virus around since 2011 and a large part of the state . . .

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