更正，有报道说上周四下午打的双抗，实际上是周五(十月二号）。周四的血样没抗体，与双抗无关

说周四打的

https://www.npr.org/sections/latest-updates-trump-covid-19-results/2020/10/03/919898777/timeline-what-we-know-of-president-trumps-covid-19-diagnosis

“Conley has also walked that time reference back, saying Regeneron was administered late Thursday.”

 

https://www.sciencemag.org/news/2020/10/heres-what-known-about-president-donald-trump-s-covid-19-treatment 

“On 2 October, the White House announced President Donald Trump received an experimental antibody treatment after a test revealed he’s infected with SARS-CoV-2. At the time, he reportedly had mild COVID-19 symptoms, including fever and congestion, and he was transferred to Walter Reed National Military Medical Center.”

第二种说法的可信度高。

另外，这个链接中还回答了其他有关问题，如抗体来源

“One antibody comes from a human who had recovered from a SARS-CoV-2 infection; a B cell that makes the antibody was harvested from the person’s blood and the genes for the immune protein isolated and copied. The other antibody is from a mouse, which was engineered to have a human immune system, that had the spike protein injected into it.”

 

 

下面“老道”的跟帖中也提到：两株克隆，一株来自小鼠，一株来自人的B细胞。