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Twitter:   / stephaniesamma  
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Credits:
Narrator/Editor: Stephanie Sammann
Animator: Mike Ridolfi https://www.moboxgraphics.com
Sound: Graham Haerther https://haerther.net
Thumbnail: Simon Buckmaster   / forgottentowel  
Producer: Brian McManus    / realengineering  

References:
[1] https://www.nhlbi.nih.gov/healthtopi...
[2] https://courses.kcumb.edu/physio/btyp...
[3] https://en.wikipedia.org/wiki/Blood_type
[4] https://www.britannica.com/science/Rh...
[5]https://www.smithsonianmag.com/scienc...
[6]https://www.realclearscience.com/blog...
[7] https://curiosity.com/topics/rhnullt...
[8] https://www.blood.gov.au/invmgtguid...
[9] https://mosaicscience.com/story/mang...
[10] https://www.ncbi.nlm.nih.gov/books/NB...

Thank you to AP Archive for access to their archival footage.

Music by Epidemic Sound: http://epidemicsound.com/creator