其實，隻打一針，效果也不錯。研究成果見內

昨天剛出爐

https://www.nejm.org/doi/10.1056/NEJMc2101667

We found that a single dose of mRNA vaccine elicited rapid immune responses in seropositive participants, with postvaccination antibody titers that were similar to or exceeded titers found in seronegative participants who received two vaccinations. Whether a single dose of mRNA vaccine provides effective protection in seropositive persons requires investigation.

 

 

另一篇上個月的文章

https://www.cidrap.umn.edu/news-perspective/2021/02/real-world-trial-pfizer-covid-vaccine-finds-high-2-dose-good-1-dose

A single dose, however, was 74% effective against COVID-related hospitalization and 72% effective at preventing death.

所有跟帖： 

• 謝謝解惑 -好吃不如餃子- ♀ (0 bytes) () 03/11/2021 postreply 18:32:47

• 嗯。曾看過1篇研究說，第1針與第2針間隔24天 與間隔90天的效果比較，抗體數據%不記得了。 -pickshell- ♀ (0 bytes) () 03/12/2021 postreply 04:03:17

• 相差大嗎？ -好吃不如餃子- ♀ (0 bytes) () 03/12/2021 postreply 04:30:55

• 模糊印象在20-30%？因美國沒間隔90天情況，就太沒太上心。 -pickshell- ♀ (0 bytes) () 03/12/2021 postreply 11:30:53

• 謝謝回答 -好吃不如餃子- ♀ (0 bytes) () 03/12/2021 postreply 11:36:14