Fig. 1.
Minimum incidence of primary immunodeficiency (PID) cases in 100 000 live births, grouped in 4-year periods, and distribution in main PID categories. (a) France: n (1995–2006) = 1110, demographics: INSEE (http://www.insee.fr); (b) United Kingdom, n (1995–2006) = 288, demographics: UK Office for National Statistics (http://www.statistics.gov.uk).