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BTD Forums  /  Eat Right 4 Your Type  /  Blood type O 4
Posted by: Jenny, Wednesday, February 27, 2013, 2:57am
Does anyone know what this means? It is a blood type given to some Australian soldiers about 60 years ago.
Posted by: Lola, Wednesday, February 27, 2013, 3:14am; Reply: 1
try the red cross
Posted by: C_Sharp, Wednesday, February 27, 2013, 3:23am; Reply: 2
in 1910 Moss numbered blood types from 1 to 4. (Often written as Roman numerals)

1 is AB
2 is A
3 is B
4 is O

Dog tags of Australian soldiers apparently used both systems for a while.

The number system is confusing because Jansky also used numbers to identify blood type but the meanings of 1 and 4 are reversed in the two systems. Jansky system was primarily used in Russia and Eastern Europe.

A 2 is also confusing since there is an A2 blood subtype.
Posted by: Serenity, Wednesday, February 27, 2013, 3:24am; Reply: 3
I found this link, it looks like it is a type O but without the rh factor. :)
Posted by: Jenny, Wednesday, February 27, 2013, 11:12pm; Reply: 4
Those are all very interesting replies, but it this case it turns out that human error was in play: I was shown the dog tags yesterday, and they were clearly stamped O POS (1947). so all I can think is that this gentleman once saw on a medical record elsewhere O + and he misread the + as a 4. So no problem. thanks to all of you who replied.
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