For pharmacovigilance specialists, the two RNA messenger vaccines are equivalent and must be administered, regardless of the initial vaccination scheme.
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The government announces, logistics must follow. A week after being informed that they would mainly receive Moderna vaccine rather than Pfizer, vaccination center referents still have to change their shoulder rifle into the emergency and the unparallery.
“For the moment we’ve been taken short. For four-five days, we try to organize but we do not know exactly how many doses we will have for each vaccine”, blows alain assouline, doctor referent of the center Cresco in Saint-Mandé (Val-de-Marne). As 70% of Pfizer and 30% Moderna deliveries were promised, he finally received his complete delivery Thursday … and only Pfizer. “I think even regional health agencies [ARS, who are distributing the centers’ endowments] do not know it in advance”, slips the doctor, relieved not to have to explain his patients right now to his patients why they receive from Modernly while they had registered for Pfizer. Although the Ministry of Health is committed to providing these missed appointments through the state stock, the professional doubts that some users will be disappointed.
Same situation at the Montreuil City Hall Vaccination Center (Seine-Saint-Denis), where Mix 80% Moderna 20% of Pfizer turned into 100% Pfizer. “People do not understand anything. And the problem is that no one wants moderna”, is Pierre-Etienne Manuellan, the doctor referent. “It takes a national campaign to clearly explain that Pfizer and Moderna is the same thing, it’s like Dafalgan and Efferalgan, only the packaging changes,” he says.
“Twin Vaccines”
A small pot of panic blows since the pfizer is more rare in the centers and the questions tributary: is a reminder in Moderna without risk after a Primovacination in Pfizer? Is this scheme more efficient? Are both vaccines interchangeable?
“It is not abusive to say that Moderna and Pfizer are twin vaccines. They are based on the same technology, they say they have the same vaccine platform: from the encapsulated messenger RNA with lipids that causes An immune response against Protein Spike “, Slice Dominique Deplanque, President of the French Society of Pharmacology and therapeutics. Despite the evaluation processes and differentiated surveillance strategies, “it was implicit that they would be allowed at one time, we would have been able to do it earlier,” insists the medical pharmacology teacher at the Faculty of Medicine Lille.
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