Italy 23-year-old girl must lie on a hospital in the Tuscany region after being injected to 6 doses of Pfizer Covid-19 vaccine.

The incident happened in a hospital in Tuscany region, Central Italy, on May 9 when the nurse injected the entire Vaccine Covid-19, equivalent to 6 doses, for the 23-year-old girl.

A pfizer's Vaccine Covid-19 vial is prepared at the vaccination point in Germany in February. Photo: AFP.

The girl identity and the hospital incident has not been revealed.

The ITALY communication said overdose studies with the previous Pfizer vaccine were only conducted with 4 vaccine doses, which showed that there was no dangerous side effects with the injections.