Vaccines activate the body’s natural defenses, thereby reducing the risk of disease. They work by triggering a response from our immune system, which:
Ultimately, vaccines are an ingenious and safe way to induce an immune response without causing disease.
Our immune system is designed to remember. After the administration of one or more doses of a vaccine against a specific disease, we are protected against it, usually for years, decades or even for a lifetime. That’s why vaccines are so effective: instead of treating a disease when it appears, they prevent us from getting sick