2md Smartest: Different subject: Did you see this? Could factor into sudden deaths on field of athletes. --------------------- "In a recent study published in Health Science Reports, researchers evaluated the impact of Pfizer-BioNTech’s BNT162b2 messenger ribonucleic acid (mRNA) vaccine booster on the maximum oxygen uptake capacity (VO2max) among recreational endurance athletes. Conclusion: Overall, the study findings showed a significant reduction in VO2max levels a week post- BNT162b2 vaccination among recreational endurance athletes. " Medical Life Sciences News By Pooja Toshniwal Paharia, Reviewed by Danielle Ellis, B.Sc. Nov 29 2022 Conclusion: Overall, the study findings showed a significant reduction in VO2max levels a week post- BNT162b2 vaccination among recreational endurance athletes.