How do you know if you're immune after a coronavination?

To get the covid-19 pandemic underneath, we need vaccines as effectively as possible. But even the best vaccines do not work with everyone. How do you find out if your vaccination worked?

All vaccines currently used against coronavirus can cause side effects. This includes a sore arm, fever, chills, headache and nausea. Normally, these phenomena occur in the first two days after the puncture. According to data from the Covid Symptom Study, which followed nearly 36,000 people in the UK following vaccination with PFIZER/BionTech, these side effects are more common after the second dose and in people who have previously experienced natural coronavirus infection.

Read more on Newscientist