Why do I need a COVID booster if I'm vaccinated? Doesn't the vaccine work?
A:
It does. But vaccines work by imitating an infection to cause your immune system to develop an immunity to the infection. After the imitation goes away, your body...
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Wellness & Longevity · Variant Information · Live Your Best Life · Senior Health
Types: Healthy Living, Health & Wellness Tips, Conditions & Treatments
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