A 12-year-old Austrian boy has reportedly died a few days after being given the Pfizer vaccination against COVID-19.

The incident took place in the western Austrian state of Tyrol when the unnamed 12-year-old boy reportedly died shortly after receiving the Pfizer version of the coronavirus vaccine, it was announced on Wednesday, 16th February.

It is currently unclear when the case took place, but it was reportedly mentioned in a report issued by the Federal Office for Safety and Health Care on Tuesday, 1st February. The report stipulated that the 12-year-old boy had suffered a heart attack “of unclear origin” just one day after being given the BioNTech/Pfizer vaccine.

The boy reportedly died three days later.

Christa Wirthumer-Hoche, Head of the Federal Office for Safety in Health Care, said that not much is currently known about the case, but an autopsy has been ordered. She said the results were still pending.

Frequently reported vaccine side effects include allergies, temporary facial paralysis or heart muscle inflammation, according to Austrian newspaper Heute.

The Federal Office for Safety in Health Care has registered 263 deaths to date in connection with coronavirus vaccinations, but in only two cases was it determined that the vaccine had played a causal role in the death.

In approximately 200 of the cases, it is reportedly unclear whether or not there was a causal connection between the vaccination and the patient’s death.

Wirthumer-Hoche said: “If you read it like that, you ask yourself about this large number of cases. Is there a connection or isn’t there one?”

The problem is reportedly that autopsies are only organised in very few cases, with only relatives, medical professionals and hospitals being able to initiate them, with the Federal Office reportedly having no power or influence in the matter.