Disclose.tv@disclosetv·Jun 19NEW - Pfizer's primary mRNA injections "temporarily" impair semen concentration and total motile count among donors. The scope of the study did not include the effects of additional "booster" injections.onlinelibrary.wiley.comCovid‐19 vaccination BNT162b2 temporarily impairs semen concentration and total motile count among...Background The development of covid-19 vaccinations represents a notable scientific achievement. Nevertheless, concerns have been raised regarding their possible detrimental impact on male fertilit...1,00110.8K14.5K