Brazil

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U.S. gymnasts, left to right, Gabrielle Douglas, Lauren Hernandez, Aly Raisman and Simone Biles celebrate at the end of the artistic gymnastics women's team final at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Tuesday, Aug. 9, 2016.(AP Photo/Charlie Riedel)

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Dangerous Travel to Brazil Illustration by Greg Groesch/The Washington Times

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In this Jan. 27, 2016, file photo, samples of Aedes aegypti mosquitoes, responsible for transmitting dengue and Zika, sit in a petri dish at the Fiocruz Institute in Recife, Pernambuco state, Brazil. Mosquito-eradication efforts have taken on new urgency in Brazil with the Olympic Games slated to start in August. (AP Photo/Felipe Dana, File)

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FILE - In this Tuesday, Jan. 26, 2016 file photo, a health workers stands in the Sambadrome spraying insecticide to combat the Aedes aegypti mosquito that transmits the Zika virus in Rio de Janeiro, Brazil. In the 1940s and 1950s, Brazilian authorities made such a ferocious assault on Aedes aegypti that the mosquito, that it was eradicated from Latin America's largest country by 1958. But eradication experts say there is little chance that Brazil can come anywhere near stamping out the pest like it did a half century ago. (AP Photo/Leo Correa, File)

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Caio Julio Vasconcelos who was born with microcephaly undergoes physical therapy at the Institute for the Blind in Joao Pessoa, Brazil, Thursday, Feb. 25, 2016. Researchers from the Centers of Disease Control and Prevention continue to fan out across one of Brazil's poorest states in search of mothers and infants for a study aimed at determining whether the Zika virus is causing babies to be born with unusually small heads. (AP Photo/Andre Penner)

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A health worker stands in the Sambadrome as he sprays insecticide to combat the Aedes aegypti mosquitoes that transmits the Zika virus in Rio de Janeiro, Brazil, Tuesday, Jan. 26, 2016. Inspectors begin to spray insecticide around Sambadrome, the outdoor grounds where thousands of dancers and musicians will parade during the city's Feb. 5-10 Carnival celebrations. Brazil's health minister says the country will mobilize some 220,000 troops to battle the mosquito blamed for spreading a virus linked to birth defects. (AP Photo/Leo Correa)

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In this June 8, 2014 file photo, the sun sets behind the Maracana Stadium in Rio de Janeiro, Brazil. The stadium is the venue for the opening and closing ceremony for Rio's 2016 Olympics. Soccer will be played here, of course. Despite five World Cup titles, Brazil has has never won the Olympic men's soccer gold medal, so this is sure to be a hot venue. Brazil took silver three years ago in London, losing 2-1 to Mexico in the final. (AP Photo/Felipe Dana, File)

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In this photo released by Inovafoto, Ronda Rousey, right, fights Brazil's Bethe Correia during their mixed martial arts bantamweight title fight at UFC 190, early Sunday, Aug. 2, 2015, in Rio de Janeiro, Brazil. Rousey knocked out Correia 34 seconds into the first round to win. (Alexandre Loureiro/Inovafoto via AP)

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Brazilian President Dilma Rousseff watches as Vice President Joe Biden puts his glass on a table after a toast during a luncheon in her honor, Tuesday, June 30, 2015, at the State Department in Washington. (AP Photo/Manuel Balce Ceneta)

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Sacramento Kings left DeMarcus Cousins and Washington Wizards forward Nene, of Brazil, scramble after the ball during the first quarter of an NBA basketball game in Sacramento, Calif., Sunday, March 22 , 2015. (AP Photo/Rich Pedroncelli)

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In this photo provided by the Association of Surfing Professionals, Ricardo Dos Santos, of Brazil, competes during the third round of the Billabong Pro surfing event, Sunday, Aug. 26, 2012, in Teahupoo, Tahiti. (AP Photo/Association of Surfing Professionals, Steve Robertson)

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Miss Universe contestant Melissa Gurgel of Brazil, center, dances in a Zumba Class for the contestants, Tuesday, Jan. 13, 2015 in Doral, Fla. The Miss Universe pageant will be held Jan. 25, in Miami. (AP Photo/Wilfredo Lee)

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People watch fireworks exploding over Copacabana beach during New Year celebrations in Rio de Janeiro, Brazil, Thursday, Jan. 1, 2015. (AP Photo/Felipe Dana)

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Fans of the Brazil national soccer team watch a live broadcast of the World Cup third-place soccer match between Brazil and Netherlands, inside the FIFA Fan Fest area on Copacabana beach, in Rio de Janeiro, Brazil, Saturday, July 12, 2014. (AP Photo/Silvia Izquierdo)

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Charlotte Hornets guard Kemba Walker (15) passes the ball with Washington Wizards forward Nene, left, from Brazil, and guard John Wall, right, nearby, during the first half of a preseason NBA basketball game, Friday, Oct. 17, 2014, in Washington. (AP Photo/Alex Brandon)

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United States' Omar Gonzalez, right, pats goalkeeper Tim Howard on the chest during the World Cup round of 16 soccer match between Belgium and the USA at the Arena Fonte Nova in Salvador, Brazil, Tuesday, July 1, 2014. (AP Photo/Natacha Pisarenko)