Stock Photo - All members of the Czech Olympic team will undergo free tests for the Zika virus immediately after their return from Brazil, Health Minister Svatopluk Nemecek (not pictured, Social Democrats, CSSD) told reporters in Prague, Czech Republic, June 30, 2016. Pictured Olympic team captain Martin Doktor, sprint canoeist and a double Olympic champion. Czech Olympic contestants realise the risk of the Zika virus, Doktor, said. ""We will do our utmost not to expose the athletes to the risk. Fortunately, the latest reports from the World Health Organisation (WHO) and the organisers from Rio say the number of Zika-infected people has dramatically decreased with the beginning of winter weather,"" Doktor said. (CTK Photo/Michal Dolezal)