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Italian woman mistakenly given six doses of Pfizer-BioNTech COVID-19 vaccine

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Overdoses of COVID-19 vaccines have previously been reported in Germany and the United States.
Overdoses of COVID-19 vaccines have previously been reported in Germany and the United States.   -   Copyright  AP Photo/Jessica Hill, File
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A young Italian woman is being monitored in hospital after accidentally receiving six doses of the Pfizer-BioNTech's COVID-19 vaccine.

Italian media said a 23-year-old woman was placed under observation in Massa, central Tuscany, after the error.

She was in good condition after receiving fluids and paracetamol following the injection on Sunday, the AGI news agency reported.

According to AGI, a nurse mistakenly injected the medical trainee's arm with an entire vial of the vaccine, instead of just one dose.

In a press release, the Ospedale Apuane in Massa confirmed that a young woman "was inoculated with an entire vial of vaccine".

Previous studies to test overdoses of the Pfizer vaccine were limited to just four doses, AGI said.

As there is no historical knowledge of a person being given six doses, the patient is being kept under close observation.

The incident has also been reported to the Italian Medicines Agency (AIFA).

Overdoses of the Pfizer-BioNTech vaccine have previously been reported in Germany, Australia, and the United States.