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Why do some people get side effects after COVID-19 vaccines?

Every person reacts differently to the COVID-19 vaccine and if you didn't feel side effects from the shot, that doesn't mean it didn't work.

Posted: Jun 16, 2021 9:20 AM
Updated: Jun 16, 2021 9:21 AM

Temporary side effects after COVID-19 vaccines are normal and a sign your immune system is revving up.

Your immune system has two main parts, and the first kicks in as soon as the body detects a foreign intruder by prompting the inflammation that can cause chills, fatigue and other common side effects.

But everyone reacts differently and it doesn't mean the shot didn't work if you don't feel anything within a day or two.

The shots also set in motion the other part of your immune system, which will provide the real protection from the virus by producing antibodies.

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We began the first full week of August on a slightly cooler note with a lot of high clouds, haze and smoke for most parts of northern California. The high clouds will remain through much of Tuesday, with other changes coming soon.
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