Los Angeles ? Blame the laryngoscope blade.

A hospital has closed its neonatal and pediatrics intensive care units to new admissions after a potentially fatal bacterium sickened seven children, including an infant who may have died from the infection, officials said.

Officials say they’ve identified the source of the outbreak – a medical instrument called a laryngoscope blade used to look at an infant’s larynx that may not have been properly cleaned. Officials don’t believe there is a danger to other babies, Lopez said.

White Memorial Medical Center shut down the neonatal unit Dec. 4 following an outbreak of Pseudomonas aeruginosa, and both units will remain closed until they are considered safe, hospital officials said Friday.