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Watch Out! How to Identify an Expired Vaccine and What Happens if It Is Given
Summary by Azteca Jalisco
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Vaccines have a defined period of validity that guarantees their effectiveness. When that time is exceeded or the product is exposed to inadequate conditions, it may lose the ability to generate the expected immune response in the body. According to experts, an expired vaccine does not become toxic, but it may lose chemical stability, which prevents the immune system from producing antibodies against certain viruses. In addition to the expiratio…
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