Home » UK warns of Anaphylaxis on Pfizer vaccine after adverse reaction

UK warns of Anaphylaxis on Pfizer vaccine after adverse reaction

by Smitha S

Anyone with a history of Anaphylaxis (adverse allergy) to a Medicine or food should not get the Pfizer-BioNTech Covid-19 vaccine according to the Britain’s medicine regulator. It has given fuller guidance on an earlier allergy warning about the shot. Britain started mass vaccinating its people on Tuesday starting with an elderly and many frontline workers.

 

Anaphylaxis is an overreaction of the body’s immune system, which the National Health Service describes as severe sometimes.

 

Since the rollout began there had been two.reports of Anaphylaxis and one report of a possible allergic reaction according to the MHRA (The Medicines and Healthcare Products Regulatory Agency).“Any person with a history of anaphylaxis to a vaccine, medicine or food should not receive the Pfizer BioNTech vaccine,” as said by MHRA Chief Executive June Raine.”You can be completely confident that this vaccine has met the MHRA’s robust standards of safety, quality and effectiveness.” so not all people will get Anaphylaxis but it’s a warning incase for some people who had the medical history of allergic reactions.

 

Pfizer and BioNTech said they were supporting the MHRA’s investigation.US and Canada’s health ministry said it would look at the reported adverse reactions in Britain, but said adverse events were to be expected and would not necessarily change any risk or benefit of the shot, after the country approved the vaccine.

MHRA chief Raine told lawmakers such allergic reactions had not been a feature of the Pfizer’s clinical trials.

 

However, the allergic reactions may have been caused by a component of Pfizer’s vaccine called polyethylene glycol(PEG), which helps stabilise the shot and is not in other types of vaccines.The ingredients like PEG which we think might be responsible for the reactions are not related to things which can cause food allergy. Likewise, people with a known allergy to just one medicine should not be at risk.

 

However, Gregory Poland, a virologist and vaccine researcher with the Mayo Clinic in Rochester, Minnesota, said that the MHRA and NHS had overreacted initially.“I would not have broadened to the degree they did,” he said.

 

“It’s reasonable to let the world know about this, and to be aware of it in terms of people who have had reactions like this to vaccines. I think to say medicines, foods or any other allergies is past the boundary of science.”

 

 

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