December 15, 2022
This report by Diaz et al1is a follow-up of the larger controlled study by Gonzalez et al2 that documented a lack of semen parameter change in men who received COVID-19 mRNA vaccines. These patients were studied using semen analyses before and after vaccination. The current study extended the follow-up duration to a total mean of 10 months after vaccination. Again, no adverse effect of COVID-19 vaccination on sperm numbers was seen. Read more
