The crowd was a rowdy one at Copacabana for beach volleyball.

At times when Americans Lauren Fendrick or Brook Sweat went to serve Sunday against their Polish opponents the crowd shouted “Zika!” at them.

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The two Americans lost to their Polish opponents. Throughout the match, the crowd heavily favored the Polish team, even though those cheering the loudest waved Brazilian flags.

The taunting follows similar jeering at U.S. goalkeeper Hope Solo, who riled some Brazilians before the Rio Games started with when she posted a photo of herself on social media decked out in mosquito netting and armed with insecticide.

Unlike Solo, Fendrick and Sweat are Olympic newcomers and not as high-profile.

Fendrick said the Zika chants didn’t faze them.