ゲイツ財団顧問、オックスフォード大教授
”ワクチンは人口を完全に不妊化はできない せいぜい60〜70%の効果だろう”  

"don't forget there these vaccines are unlikely to completely
sterilize a population they're very likely to have an effect
which works in a percentage say 60 or 70 percent"

8分10秒あたり
//www.youtube.c●om/watch?v=9y1TaIqy91Y&t=485s