In northern Scandinavia (Lapland), 24% of people are HLA-B27 positive, while 1.8% have associated ankylosing spondylitis. A small group (<0.5%) of people infected with HIV are able to remain symptom-free for many years without medication. These long-term nonprogressors appear to be significantly common among people who are HLA-B27 positive. https://pubmed.ncbi.nlm.nih.gov/17892849 Another area that stands out is Lappland, mainly the northern part of Norway and Finland, home of the Sami. This is of interest even though according to Cavalli-Sforza, the Sami of Norway and Finland have between 5 and 7% rh negatives amongst them which is not a lot. Anthropologists have been studying the Sami people for hundreds of years for their assumed physical and cultural differences from the rest of the Europeans. Recent genetic studies have … Continue reading The Sami (or Saami)