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People with a history of allergies should not receive the Pfizer / BioNtech vaccine, warns the British medical regulator. The warning was issued after two NHS (British National Health Service) professionals recorded a reaction after vaccination, writes the Financial times.
The Medicines and Health Products Regulatory Agency (MHRA) issued the warning to all those who have had severe allergic reactions to medicines, some foods, or another vaccine in the past. “People with a history of a significant allergic reaction to a vaccine, drug or food (such as a previous history of anaphylactic reaction or those who have been recommended to carry an adrenaline auto-injector) should not receive the Pfizer / BioNtech vaccine. Resuscitation sites must always be available for all vaccinations. Vaccination should only be carried out in facilities where resuscitation measures are available ”, reads the warning, cited by guardian.
“We know, based on extensive clinical trials, that this is not a characteristic [da vacina]June Raine, executive director of the drug and health regulatory agency, told a parliamentary committee. According to the official, it is the right thing to do now that “we have had this experience.”
“As is common with new vaccines, the regulatory agency has issued the warning as a precaution, so that people with a significant history of allergies do not receive this vaccine,” said Stephen Powis, National Medical Director for the NHS in England. The two health professionals who reacted badly to the vaccine “are recovering well,” he added.
Shortly after being vaccinated, the two health professionals suffered “anaphylactic shock” but recovered after receiving appropriate treatment, according to health authorities. These two health professionals appear to have a medical history of severe allergies and were self-injecting adrenaline, according to the British press.
Pfizer confirmed that it had already heard of the warnings and said it was supporting the regulatory agency in the ongoing investigation of the allergic reaction, along with its partner BioNTech. In the patient information document, the two companies have already admitted that the vaccine should not be administered to anyone who has any type of allergy to the components. “Signs of an allergic reaction may include itching, difficulty breathing or swelling of the face or tongue,” the document reads.
“This is not unexpected”
TO The GuardianStephen Evans, professor of pharmaceutical epidemiology at the London School of Hygiene and Tropical Medicine, explained that allergic reactions occur “with multiple vaccines” and are common with medications. “This is not unexpected,” he says.
“The Pfizer data showed that about 0.6% of people had some kind of allergic reaction in the vaccine trials, but about 0.5% also had it with placebo. So there was a real glut of allergic reactions, but in small numbers, and the actual rate is unknown, with great uncertainty around that estimate. “
Recalling the recommendations of the manufacturers, the academic admits that many people will not know “if they are hypersensitive to any of the constituent elements of the vaccine” so it is recommended that someone who “knows that they have severe allergic reactions” postpone taking the vaccinate until the cause of this reaction is known.
Vaccination began in 50 major UK hospitals on Tuesday, on what the government called “Day V” (day V or vaccination). The first doses are for people over 80 years of age and employees of the health sector and nursing homes.
