The image is inaccurate. PK deficiency occurs in higher frequencies in sub-Saharan Africa than in Europe:
http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0047071
http://www.haematologica.org/content/93/6/939.full.pdf
Counteraction (talk) 12:42, 19 August 2013 (UTC)
