Regeneron says single dose of Covid antibody cocktail provides long-term protection

 

Regeneron says a single dose of its antibody cocktail reduced the risk of contracting Covid-19 by 81.6%. 

 

Single dose of REGEN-COV (1,200 mg subcutaneous) reduced the risk of COVID-19 by 81.6% during the pre-specified follow-up period (months 2-8), maintaining the 81.4% risk reduction previously reported during month 1

During the 8-month assessment period there were 0 hospitalizations for COVID-19 in the REGEN-COV group and 6 in the placebo group

The fully human antibodies in REGEN-COV were developed to provide long-lasting protective effects without any artificial mutations or sequences

 

https://investor.regeneron.com/news-releases/news-release-details/new-phase-3-analyses-show-single-dose-regen-covr-casirivimab-and

https://www.cnbc.com/video/2021/11/08/regeneron-says-single-dose-of-covid-antibody-cocktail-provides-long-term-protection.html

不可能。单抗的半寿期大约为三十天，也就是说：过一个月，只剩一半。再过一个月，还余1/4……。怎么可能长期有效

这确实是以前的认识，但现在好像不一样了,看看下面analysis

这个能代替疫苗吗？

比疫苗贵二三百倍，用不起啊