Pfizer says COVID-19 antiviral pill 89% effective in high-risk cases stocking 0 30 2021.11.06 18:20 https://youtu.be/HSrOpWMJ8oY + 9 "화이자 코로나 치료알약, 입원/사망률 90% 낮추는 효과 보여" Treatment pills for COVID-19 are widely seen as a game changer in the fight against the pandemic.