Now, California authorities are investigating the death of a Placer County-based patient who received a COVID-19 vaccine dose on Jan. 21. The patient died hours afterward.
Placer County officials stressed they had not linked the death to the vaccine.
They are planning on conducting an autopsy.
Pfizer had stressed that it doesn’t “believe at this time that there is any direct connection to the vaccine” in the Florida physician’s death.
Separately, the World Health Organization stressed that the Pfizer-BioNTech vaccine is safe following the deaths in Norway. “The current reports do not suggest any unexpected or untoward increase in fatalities in frail, elderly individuals or any unusual characteristics of adverse events following administration of BNT162b2,” the organization concluded in a statement.
While some medical officials have worried that severe allergic reactions could prove fatal for COVID-19 vaccine recipients, such reactions are rare, occurring in roughly 5.5 patients per 1 million. Such anaphylactic reaction can be treated using epinephrine and intravenous fluids.
The Phase 3 clinical trials from Pfizer and BioNTech showed that their vaccine was overwhelmingly safe in individuals 16 to 85 years old.