Well I just saw that others made this comment too, so consider this redundant.
There are actually transmittable (they can spread ok their own) types of cancer, however only three are know to occur in mammals (dogs, tasmanian devils and syrian hamsters).
_Unity- t1_iv39hp8 wrote
Reply to comment by SnooRegrets2663 in Could a blood transfusion spread cancer to another person? by SnooRegrets2663
Well I just saw that others made this comment too, so consider this redundant.
There are actually transmittable (they can spread ok their own) types of cancer, however only three are know to occur in mammals (dogs, tasmanian devils and syrian hamsters).
https://en.wikipedia.org/wiki/Clonally_transmissible_cancer?wprov=sfla1