An Australian man named James Harrison holds the world record for most blood donations. His blood has saved the lives of millions of newborn babies, but how can one man’s blood help babies all over the world?

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Sources:
http://www.acog.org/Patients/FAQs/The-Rh-Factor-How-It-Can-Affect-Your-Pregnancy#cause
http://www.nhs.uk/Conditions/Rhesus-disease/Pages/Prevention.aspx
https://www.guideline.gov/summaries/summary/34964
http://www.bcshguidelines.com/documents/Anti-D_bcsh_07062006.pdf
http://www.ncbi.nlm.nih.gov/books/NBK2266/
http://emedicine.medscape.com/article/974349-overview
http://www.cnn.com/2015/06/09/health/james-harrison-golden-arm-blood-rhesus/

How Can One Person’s Blood Save 2 Million Babies?

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