500 vaccine doses discarded at clinic due to ‘human error’

Coronavirus Vaccine

FILE – In this March 16, 2020, file photo, a subject receives a shot in the first-stage safety study clinical trial of a potential vaccine by Moderna for COVID-19, the disease caused by the new coronavirus, at the Kaiser Permanente Washington Health Research Institute in Seattle. According to results released on Tuesday, July 14, 2020, early-stage testing showed the first COVID-19 vaccine tested in the U.S. revved up people’s immune systems the way scientists had hoped. The vaccine is made by the National Institutes of Health and Moderna Inc. (AP Photo/Ted S. Warren, File)

MILWAUKEE (AP) — Clinicians had to discard about 500 doses of the Moderna vaccine after vials were kept unrefrigerated for too long at Aurora Medical Center in Grafton.

Advocate Aurora Health officials said someone removed 50 vials from a refrigerator to access other items and failed to put them back overnight Friday. Each vial contained 10 doses of vaccine.

An internal investigation found the failure was an “unintended human error.”

Clinicians were still able to administer some of the vaccines from the vials within the allowable 12-hour post-refrigeration window. Once the vaccine is thawed, it cannot be refrozen.

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