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Vaccination: to prevent the virus from escaping immunity, you have to "hit hard and fast"

2021-01-21T20:13:39.561Z

The risk is that the mutations accumulate to the point of rendering the antibodies inoperative. Rolling out immunization campaigns around the world is our best chance to emerge as quickly as possible from the worst health crisis of the 21st century. This speed race is essential, not only to regain “the life before” as quickly as possible, but also to limit the risk of seeing the appearance of variants that escape the vaccine. When a virus replicates, errors creep in from time to time in its



Rolling out immunization campaigns around the world is our best chance to emerge as quickly as possible from the worst health crisis of the 21st century.

This speed race is essential, not only to regain “the life before” as quickly as possible, but also to limit the risk of seeing the appearance of variants that escape the vaccine.

When a virus replicates, errors creep in from time to time in its copies.

Most of these mutations are ineffective and go away quickly.

But some survive and are passed on to the next generation.

This is especially the case when they confer a benefit (the virus infects cells more easily, replicates more efficiently or escapes the immune system).

“The more the vaccination progresses, the more the environment becomes hostile to the virus,”

explains Étienne Decroly, CNRS research director at the Architecture and Function of Biological Macromolecules Laboratory in Marseille

.

"Mechanically,

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Source: lefigaro

All tech articles on 2021-01-21

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