From: Michael M. Butler (mmb@spies.com)
Date: Thu Mar 27 2003 - 15:05:43 MST
On Thu, 27 Mar 2003 21:32:55 +0200, Amara Graps <amara@amara.com> wrote:
> I saw these numbers (didn't save the web page tho)
> AB-is 0.7 % population
> AB+ is 3.4 % (me) I don't know if this qualifies as 'rare'.
I have heard the heuristic for "rare" as any group constituting less than
10% of the local population, so it might vary somewhat from place to place--
but I'd say you qualify. Spike has mentioned in posts past that one quite
rare category of blood is CMV-negative (not an ABO blood type category). I
expect there are many others of note.
> "As a side note for these relatively few people having rare Blood,
> there exists several great tools, the American Rare Donor Program
> (ARDP), among others. The American Red Cross, in collaboration with
> the American Association of Blood Banks (AABB), maintains this rare
> donor database as part of the ARDP program. This organization
> identifies donors who have rare Blood and these rare Blood types and
> ask them to enlist in a registry. When a need for their special
> Blood type arises, they can call upon another donor, also on the
> list, to give. The Red Cross freezes these rare units of red cells
> to assure their availability as needed.
BTW, I think frozen blood lasts for about 80 or 90 days.
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