Specialists from Germany’s Paul Ehrlich Institute are looking into the deaths of 10 people who passed away soon after having been inoculated against the novel coronavirus disease, Brigitte Keller-Stanislawski, the head of the institute’s department of safety of medicinal products and medical devices, said on Thursday.

According to the medical expert, the deceased were aged from 79 to 93, all with antecedent diseases. The time between vaccination and death ranged from several hours to four days.

The institute also reported six anaphylaxis cases. So far, there have been 325 cases of side-effects allegedly related to the vaccine, including 51 severe ones.