Pfizer shot lowers semen concentration and impairs sperm cells for months

Pfizer shot lowers semen concentration and impairs sperm cells for months The peer-reviewed study Covid-19 vaccination BNT162b2 temporarily impairs semen concentration and total motile count among semen donors was published in the journal Andrology this month. The results showed a decrease in the semen concentration and sperm motility for several months after two Pfizer shots….