Answers are grounded in this paper and cite their sources.
Material & methodsWe conducted a retrospective observational single-center cohort study including consecutive patients referred for suspected humoral immunodeficiency to the Primary Immunodeficiency Unit of a tertiary university Hospital between January 2018 and January 2025.Inclusion criteria were clinical suspicion of humoral immunodeficiency, availability of baseline and postvaccination anti-S Typhi Vi IgG measurements and completion of the vaccination protocol.
No takes yet. Share an insight, caveat, or question.
Barrios et al. (2026) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: