[Bloody Sam Roberts]

Children...may have antibodies in their bloodstream from exposure to those that offers some cross-protection for this virus

Plus, I would think that such antibodies would be more concentrated in a 40 lb. body than a 170 lb. body.

[steve86]

” Plus, I would think that such antibodies would be more concentrated in a 40 lb. body than a 170 lb. body. “

Why on Earth would that be the case? Should be proportional to blood volume or at least number of B lymphocytes.