ANAHEIM, Calif. — As thousands of athletes headed to the Summer Olympics in Rio de Janeiro worry, to varying degrees, about the Zika virus, at least one American has taken a pre-emptive measure: frozen sperm.
John Speraw, 44, the coach of the United States men’s indoor volleyball team, said he is preserving sperm to use for a planned future pregnancy in case he is infected with the mosquito-borne virus.