Study Shows Sperm Concentration Decreased Three Months Following Pfizer’s COVID-19 Vaccinations

In a new study published in the journal Andrology, researchers found what they believe to be a temporary decline of sperm concentration and total motile count among sperm donors in Israel three months following vaccination with Pfizer/BioNTech’s BNT162b2 (also known as “Comirnaty”) messenger RNA (mRNA) COVID-19 biologic.1 Study Investigates the Effect of the Pfizer COVID …

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