Empty vials containing a dose of Johnson & Johnson vaccine against COVID-19 coronavirus are on a table while South Africa continues its inoculation campaign at Klerksdorp Hospital on February 18, 2021.
Phill Magakoe | AFP | Getty Images
Two study participants suffered severe allergic reactions shortly after receiving the Johnson & Johnson Covid-19 vaccine, a J&J scientist told an FDA group on Friday.
J&J was first briefed on allergic reactions on Wednesday, Macaya Douoguih, head of the clinical development and health department for the J&J vaccine division, told the FDA’s vaccine and associated biological products advisory committee.
One of the people participated in an ongoing trial in South Africa and developed anaphylaxis, a severe and life-threatening allergic reaction after receiving the vaccine, she said.
She did not give details about the second person’s reaction.
“We will continue to monitor these events closely,” she told the commission.
Previously, there were no reports of anaphylaxis in J & J’s clinical trial. Centers for Disease Control and Prevention are currently monitoring events such as states and pharmacies launching Pfizer and Moderna vaccines.
There were 46 reports of anaphylaxis in those who received the Pfizer vaccine and 16 cases in those who received Moderna, according to a February 16 CDC report. vaccine.
The CDC requires health care providers to monitor patients for 15 minutes after vaccination and 30 minutes for those with a history of allergic reactions.
If someone has a severe allergic reaction after receiving the first dose of Covid-19 vaccine, the CDC recommends not receiving the second dose, even if the allergic reaction was not severe enough to require emergency care.