Research conducted shows that BNT162b2 commonly known as the Pfizer BioNTech vaccines temporarily impair semen levels in male bodies. The study noted that semen levels will lower when the Pfizer BioNTech vaccines are taken, therefore male fertility rate for a time will nonetheless lessen.
“Repetitive measurements revealed −15.4% sperm concentration decrease on T2 (CI -25.5%–3.9%, p = 0.01) leading to total motile count 22.1% reduction (CI -35% – -6.6%, p = 0.007) compared to T0. Similarly, analysis of first semen sample only and samples’ mean per donor resulted in concentration and TMC reductions on T2 compared to T0 – median decline of 12 million/ml and 31 million motile spermatozoa, respectively (p = 0.02 and 0.002 respectively) on first sample evaluation and median decline of 9.5×106 and 27.3 million motile spermatozoa (p = 0.004 and 0.003, respectively) on samples’ mean examination. T3 evaluation demonstrated overall recovery. Semen volume and sperm motility were not impaired.”
Itai Gat,Alon Kedem,Michal Dviri,Ana Umanski,Matan Levi,Ariel Hourvitz,Micha Baum
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