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What are the blood types in order from most rare to most common?

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Dr. Donald Alves
Emergency Medicine

In brief: Per Red Cross, from

100 people, 1 is ab-, 2 are b-, 3 are ab+, 6 are a-, 7 are 0-, 9 are b+, 34 are a+, and 38 are 0+.
Keep in mind that 'it takes all types' and especially over the summer, blood donation drops steeply while need for blood climbs. Please consider donating blood, and please refer to this link for more information on blood types: http://chapters.Redcross.Org/br/northernohio/info/bloodtype.Html.

In brief: Per Red Cross, from

100 people, 1 is ab-, 2 are b-, 3 are ab+, 6 are a-, 7 are 0-, 9 are b+, 34 are a+, and 38 are 0+.
Keep in mind that 'it takes all types' and especially over the summer, blood donation drops steeply while need for blood climbs. Please consider donating blood, and please refer to this link for more information on blood types: http://chapters.Redcross.Org/br/northernohio/info/bloodtype.Html.
Dr. Donald Alves
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