Which is a better strategy to end COVID, Ring Vaccination or our current strategy of Mass Vaccination?
2021-03-31 11:04 am
回答 (2)
2021-03-31 3:36 pm
Ring vaccination because the vaccine supply is too low and mass vaccination is too slow.
2021-03-31 11:49 am
The one devised by public health experts and epidemiologists, like the CDC or WHO.
收錄日期: 2021-04-11 23:34:33
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20210331030444AASGKQq