More than 80% of online COVID-19 vaccine bookings recorded for 50s stocking 0 26 2021.07.23 23:20 https://youtu.be/GtTTwUQoi1E + 6 50대 백신접종 사전예약 예약률 80.9%…화이자백신 4주 간격으로 접종 Staying here in the nation. People in their 50s who want to get vaccinated in this round...