What Are the Most Rare Blood Types?

You probably know there are some blood types that are very common, such as type O. But do you know what the most rare blood types are? Find out.

Blood Types — Stanford Blood Center

What do you know about the rarest blood types?

The Rarest Blood Type - registered alien

The World's Most Dangerous Blood Type

Why Type O Is the Most Common Blood Type

Rare blood types - NHS Blood Donation

Visualizing The Most Widespread Blood Types in Every Country

Compound Interest: National Blood Donor Month: Blood type compatibilities

What are the most and least rare blood types? - Quora

A-postive (A+) blood type

Weekender] What blood types are really about

Golden Blood: Fewer Than 50 People In The World Have This Super-Rare Blood Type

What is the rarest blood type? - Quora

Rarest blood type: Chart and compatibility