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Prevalence of CVID in various countries.
| Country | Prevalence of CVID/100,000 | % of CVID of total number of primary immunodeficiencies | Reference |
|---|---|---|---|
| Denmarka | 3.8 | n.a. | (8) |
| Iceland | 3.1 | 17 | (7) |
| Norway | 2.6 | 31 | (3) |
| Turkey | 1.4 | 5 | (4) |
| United Kingdom | 1.3 | 37 | (5) |
| Switzerland | 1.2 | 45 | (6) |
| France | 0.7 | 14 | (1) |
| Spain | 0.6 | 21 | (2) |
CVID, common variable immunodeficiency; n.a., not available.
aIn two Danish regions, the prevalence was 5/100,000.
