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The main cause for alarm, after the discovery of the Covid variant developed in the United Kingdom, refers to the effectiveness of vaccines that use mRNA to trigger the immune response in the population. Specifically, there are two pharmaceutical companies whose products have already entered the market in the United States and Europe and that intervene precisely on the Spike protein, mutated with more alterations in Great Britain: Moderna and Pfizer. The two drug companies have issued notes to evaluate the efficacy of their biologics.
“Based on the data obtained to date,” the Moderna statement reads, “we hope that the immunity induced by the vaccine will protect against the variants recently discovered in the UK. We will do additional tests in the coming weeks to confirm these expectations. Pfizer has also launched specific studies to test the immune response in people who have contracted the new strain of Coronavirus.
We are accumulating data and information on the immune response of vaccinated people. It appears that the vaccine is capable of neutralizing the new British variant.
Pfizer press release
The guarantees are based on the fact that Sars-CoV-2 has already mutated several times since pharmaceutical companies began studying and manufacturing their own vaccines, without affecting the effectiveness of their sera. For the moment, experts say, drugs based on mRNA would also be suitable against the new British variant.
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