^^^I guess I missed that concept -- that original sin came at birth. I had always thought that original sin was something supposedly inherent to the human soul. (Of course I rejected the whole belief in original sin in 4th or 5th grade.)
:wideeyes: I didn't realize that they were actually doing human challenge trials for any CV vaccines. Without any reliably effective treatment (cure) for those who might become seriously ill, it seems of questionable ethics.