韓國百萬人規模老人接種AZ疫苗後的好消息:
“Its analysis is based on more than 3.5 million people in South Korea aged 60 and older for two months from Feb. 26 and included 521,133 people who received a first dose of either Pfizer or AstraZeneca shot.
There were 1,237 COVID-19 cases in the data and only 29 were from the vaccinated group, the KDCA said.”