Pfizer's COVID-19 vaccine doesn't affect sperm, preliminary data suggests

Crystal Cox/Business Insider
A pre-print study in Israel found no change in sperm of men who got Pfizer's COVID-19 vaccine.
The study was small, but it's some of the first data we have on vaccines and male fertility.
There's plenty of research finding the vaccines are safe for women who are pregnant or trying to be.
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Pfizer-BioNTech's COVID-19 vaccine does not damage sperm, according to a small new pre-print study out of Israel.Researchers studied sper