Faucet aerators as a reservoir for Carbapenem-resistant Acinetobacter baumannii : a healthcare-associated infection outbreak in a neurosurgical intensive care unit

Background On January 7, 2019, we observed an outbreak of healthcare-associated infection (HAI) caused by Carbapenem-resistant Acinetobacter baumannii (CRAB) in the neurosurgical intensive care unit (NSICU). A follow-up epidemiological investigation was conducted, and an emergency response was initiated. We aimed to study the clonal transmission of CRAB and its possible source.