Why male athletes are pulling out of the Olympics

By Elizabeth Cohen, CNN Senior Medical Correspondent

Updated 1817 GMT (0217 HKT) June 24, 2016

Milos Raonic is the first leading tennis player to pull out of the Rio 2016 Olympics because of "uncertainty" over the Zika virus. The world No. 7 withdrew from Canada's team on July 15.
Photos: Zika worries: Who's skipping the Olympics?
Milos Raonic is the first leading tennis player to pull out of the Rio 2016 Olympics because of "uncertainty" over the Zika virus. The world No. 7 withdrew from Canada's team on July 15.
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Young golf star Jordan Spieth has pulled out of contention to take part at the 2016 Rio Olympics. The American cited fears about the Zika virus, according to the International Golf Federation, which released a list of eligible players on July 11.
Photos: Zika worries: Who's skipping the Olympics?
Young golf star Jordan Spieth has pulled out of contention to take part at the 2016 Rio Olympics. The American cited fears about the Zika virus, according to the International Golf Federation, which released a list of eligible players on July 11.
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The U.S. golf team will also be without world No. 2 Dustin Johnson, who won the U.S. Open in June. Johnson pulled out on July 8, saying "my concerns about the Zika virus cannot be ignored." He already has a baby boy with fiancee Paulina Gretzky.
Photos: Zika worries: Who's skipping the Olympics?
The U.S. golf team will also be without world No. 2 Dustin Johnson, who won the U.S. Open in June. Johnson pulled out on July 8, saying "my concerns about the Zika virus cannot be ignored." He already has a baby boy with fiancee Paulina Gretzky.
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South African golfer Lee-Anne Pace, who ranks No. 21 in the LPGA, said she does not want to be considered to represent her country in Rio this summer because of Zika. Noting that the decision is personal, she said, "Playing in the Rio 2016 Olympics is an incredible honor for any athlete, and we are excited for golf's return to the Games. We also realize that the Zika virus is a concern for many, particularly for women with plans for a family in the near-term."
Photos: Zika worries: Who's skipping the Olympics?
South African golfer Lee-Anne Pace, who ranks No. 21 in the LPGA, said she does not want to be considered to represent her country in Rio this summer because of Zika. Noting that the decision is personal, she said, "Playing in the Rio 2016 Olympics is an incredible honor for any athlete, and we are excited for golf's return to the Games. We also realize that the Zika virus is a concern for many, particularly for women with plans for a family in the near-term."
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