At times when vaccine boosters against covid-19 become mandatory to protect against serious and deadly forms of the disease, many people ask if another dose of the biological Janssen actually has four doses.
(We recommend you consult: The unvaccinated are 9 times more likely to die from covid-19, says study)
Pedro León Cifuentes, a public health doctor, says that in terms of vaccination There is talk of complete schemes, which may vary according to the biological. In the case of the Janssen vaccine, it is completed with one dose, but in no way can it be absolutely equated with that of other biologicals.
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In other words, one dose of Janssen is not two doses of Pfizer, it must simply be understood that it is two complete schematics with different numbers of doses.
Hence, boosting the complete Janssen schedule (one dose) with another dose of the same vaccine should be understood as a complete schedule with a booster and not four doses, as some think.
“It is important to understand the meaning of complete regimens and additional doses so as not to fall into confusion”, assures Cifuentes.
According to the guidelines of the Ministry of Health, the population over 18 years of age can apply the booster dose of the covid-19 vaccine four months after completing the schedule. The available scientific evidence indicates that the booster of the Janssen vaccine is a second of this biological.
How should reinforcements be applied?
According to the Health portfolio, those who received Pfizer or Moderna, the Ministry recommends that they receive a third dose with the same vaccine (homologous scheme) or AstraZeneca.
(Keep reading: Ten keys on defenses and reinforcements against covid-19)
In this sense, those who received AstraZeneca should receive the booster dose of Pfizer or Moderna or the initial biological (AstraZeneca)
People whose first dose was the Janssen biological must complete the schedule with the Pfizer, Moderna or AstraZeneca vaccine, as well as those who received the first two doses of Sinovac.
It should be noted that, for the schemes whose first dose corresponds to the Janssen biological, the second dose corresponds to the booster dose.
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