Rare_Firefighter_905 t1_iyf6uap wrote
Reply to comment by NotDolledUpForYou in Can someone with an O Rh- blood type really donate blood to every single human being on earth or is there more nuance to it? by Yalkim
There's only six people with rh-null publicly confirmed if memory serves. Has that number changed in recent times?
Viewing a single comment thread. View all comments