New Zika scare claim: It’s shrinking mice testicles up to 90%, permanently damaging fertility

Jennifer Govero and Prabagaran Esakky and colleagues from Washington University infected male mice with two strains of the Zika virus and found the rodents ended up with lower hormone levels and testicle tissue loss after just two weeks. Writing in Nature, the researchers stress how these observations translate to humans is unclear, but long-term studies of sperm viability in men are warranted.

New Zika scare claim: It’s shrinking mice testicles up to 90%, permanently damaging fertility

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