What are the side effects of the COVID-19 vaccine? (Los Angeles County Department of Public Health)

Vaccine side effects are common and may include sore or red arm, feeling tired, fever, chills, headache or muscle ache. They do not mean that you have COVID-19. Not everyone will get them. Side effects are a sign that your immune system is building protection. They may affect your ability to do some daily activities but should go away within a day or two of getting vaccinated. Serious side effects are rare and most are treatable.

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