Naked Science Forum

Life Sciences => Physiology & Medicine => COVID-19 => Topic started by: yairdoza on 13/04/2021 22:24:37

Title: Side effect of COVID vaccines
Post by: yairdoza on 13/04/2021 22:24:37

I got the second COVID had (Pfizer), and I feel awful. After both jabs I had high fever for a few days a d lost work days.
Probably I had COVID in March last year, so the vaccines boosted my immunity.
Why am I getting so I'll after this vaccine?
When I get the yearly flu jab there are hardly any side effects.
Thanks for reading.

Title: Re: Side effect of COVID vaccines
Post by: evan_au on 13/04/2021 23:41:01

Quote from: OP

Why am I getting so Ill after this vaccine?

A lot of the symptoms are due to signaling chemicals produced by your body, called interferons.
- These tell your body to prepare for a viral attack
- It shows that your immune system is working
See: https://en.wikipedia.org/wiki/Interferon

Title: Re: Side effect of COVID vaccines
Post by: alancalverd on 14/04/2021 00:24:48

Yep, I had my second Pfizer vaccination 3 days ago. First one produced no symptoms, but yesterday was quite miserable and I decided I wasn't fit to fly. Shows that the system is working, but I think it would be worth warning folk that it can impair your performance a bit.

Title: Re: Side effect of COVID vaccines
Post by: Colin2B on 14/04/2021 15:34:44

Quote from: alancalverd on 14/04/2021 00:24:48

........but I think it would be worth warning folk that it can impair your performance a bit.

Thanks for the warning