here are the answers to your questions

here are the answers to your questions
here are the answers to your questions

Posted on Friday, August 20, 2021 at 12:00 p.m.

By benoit jacquemart

The Interministerial Health Conference has just decided, as we had announced, that a third dose of vaccine should be injected into immunocompromised people, ie just under 400,000 people. The question of this third dose could arise for everyone, but not immediately. We take stock.

> What are we talking about? In the case of immunocompromised people, whose immune response is weak, the third dose of vaccine (Pfizer or Moderna) is part of the vaccination schedule. For the general public, in the event of an injection, later, of a third dose, we will speak of a “booster”, as we do booster shots for tetanus, for example.

> Duration of effectiveness. One study suggests that the effectiveness of the Pfizer vaccine tends to decrease over time. What is it? “On the effectiveness of the vaccine,” explains Sophie Lucas, immunologist at UCLouvain, “we are starting to have long-term data. And new data from countries, like Israel, which started vaccination earlier. We can see that the immunity could decrease slightly. There is a slight increase in the number of cases (but with very few symptoms) among those vaccinated in December 2020. These are elderly. So beware, this is partial data that seems to suggest that immunity declines over time in older, more vulnerable people with weaker immune responses due to age. There is an aging of the immune system, which begins after 65 years. “

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