Hospital-Related Infection — Worldwide/Unknown
Background. Severe _Acinetobacter baumannii_ (AB) infections in immunocompetent patients are uncommon, and the virulence mechanisms of this organism are not fully understood.
Methods. Following an outbreak of fatal AB infections in a cohort of relatively immunocompetent patients (low co-morbidity and illness severity scores), isolates were investigated with comparative genomics and in animal models.
Results. Two unrelated AB clades were associated with the outbreak. The clone associated
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