没有这些脂质壳就没有针对COVID-19的mRNA疫苗.-英文的跳不出来,中文的能看.

https://cen.acs.org/pharmaceuticals/drug-delivery/cn-Without-lipid-shells-mRNA-vaccines/99/i8

Without these lipid shells, there would be no mRNA vaccines 

https://www.nanomedicine.mit.edu/news/without-these-lipid-shells-there-would-be-no-mrna-vaccines-for-covid-19