Vaccination in Spain continues on wheels. According to the latest update of the Ministry of Health, 89.4% of the target population already has the complete pattern of the COVID-19 vaccine, that is, 37,655,150 people. On the other hand, 91.2% have at least one dose. In addition, our country has already administered more than 5,109,834 booster doses.
Thus, in Spain four different solutions are applied against COVID-19: Moderna, AstraZeneca, Pfizer / BioNtech and Janssen unit dose. But how long is the immunization that these vaccines provide?
Pfizer / BioNtech
The Pfizer vaccine was one of the first approved vaccines. It provides a 95% immunization once the second dose is inoculated, according to clinical trials. Despite this, the immunization of the vaccine is reduced if we are infected with some of the variants classified as “worrying” by the World Health Organization (who).
In any case, according to the conditional authorization of the US drug agency (FDA), no data yet showing the exact duration of the Pfizer vaccine. Although according to the company Pfizer-BioNtech, the protection of the vaccine it is “strong and highly effective” six months after inoculation.
Modern
Moderna’s vaccine was the second approved to combat COVID-19 and is also given as two doses. This solution presents 94% efficiency when 14 days have passed since we received the second puncture.
According to a letter that a group of researchers sent to the New England Journal of Medicine, Moderna’s protection against the coronavirus was maintained up to 90 days after you have received the second dose andAccording to another study from the same publication, the antibodies are persistent even six months later.
AstraZeneca
The researchers said that the AstraZeneca vaccine It is 76% effective 15 days after receiving the second dose. On the other hand, the European Medicines Agency (EMA) indicated that AstraZeneca is 80% effective four months later to get both vaccines.
Janssen
Janssen is the only approved solution that is administered through a single prick. This one has a efficiency up to 85% for the most severe cases between 14 and 28 days after receiving the dose.
According to an article published in the New England Journal of Medicine, the protection of the Janssen unit dose could last more than two and a half months, although some studies claim that the immunity of Janssen could reach six months.
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