IL12RB1 deficiency appearing in North America: expanding the clinical phenotypes

Clin Infect Dis. 2025 Nov 18:ciaf637. doi: 10.1093/cid/ciaf637. Online ahead of print.

Abstract

IL12RB1 deficiency is the most common genetic form of Mendelian susceptibility to mycobacterial disease globally, often presenting as disseminated BCG infection. In North America, however, where BCG is not used, it manifests with other bacterial or fungal infections, highlighting distinct, sometimes unrecognized, presentations of IL12RB1 deficiency in this geographic area.

Keywords: Bordetella hinzii; Burkholderia vietnamiensis; IL12RB1; blastomycosis; coccidioidomycosis; nontuberculous mycobacteria.