COVID-19 Vaccine Side Effects?

Question

I got vaccinated last week, and had chills, fever, joint pains, and neck pain for almost 24 hours.  I was fine after that.
   
Does this mean that if I were to have gotten the actual virus that I would not have had an asymptomatic case?  I do know that some people can get COVID-19 and not ever know that they got it.
   
So if I got side effects from the vaccine, does that mean I would definitely had shown symptoms if I got the actual virus?  That is, is the response to the vaccine proportional at all to what the virus response would have been?
   
I got Pfizer

Diane A · Answer

Not quite correct answer but it is typically how the body responds to a vaccine. The immune response is triggered by cytokines doesn’t fortell how you would respond to the actual infection you also don’t need to have any post vaccine symptoms for the vaccine to be working

skeptik · Answer

Yes, that is probably what it means.  Sort of.

The symptoms that are reported (mostly after the second dose) are generally the same symptoms from an infection, and are an indication the first dose generated at least a partial immune response.

As long as your immune system actually noticed an infection, that's pretty much how it would have responded.

Please note: it's by no means certain that an unvaccinated person would have that immune response in the first place.  But if they did, that's how it likely would have presented.

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Re: your update - Yes.  That's why there are asymptomatic cases.
If you had a reaction to the vaccine, it's unlikely that you wouldn't have had a reaction to the virus.  But it's not 100% certain.

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COVID-19 Vaccine Side Effects?

2 Answers