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Vaccines: one principle, three possibilities


INFOGRAPHIC - Although their principle is the same, not all vaccines work the same. A godsend for choosing the most effective and the safest.

Vaccines train the immune system to defend itself against unknown external aggression.

The principle consists of injecting a harmless fragment of the infectious element (an antigen) into the patient's body to trigger the immune reaction.

The lymphocytes will then play a major role by producing antibodies and specific killer cells.

They will also keep in mind the properties of the aggressor in order to give a rapid immune response in the event of a second infection,

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Source: lefigaro

All tech articles on 2020-11-27

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