>>359
その続き
↓
although a small number of infected individuals had higher concentrations in the ng/mL range.
At later time points after vaccination, the concentrations of spike antigen in blood quickly decrease although spike is still detectable in plasma in 63% of vaccinees 1 week after the first dose.

少数のコロナ感染者はng/ml以上になるとか、
ワクチン接種の場合はその後に急速に抗原レベルが低下するとか書いてるけど？

まずはナノとピコの単位とか積分の概念から勉強たほうがいいです(^^)