Can your COVID test become positive because of the vaccination?

It is true that a vaccine involves injecting genetic material from the COVID virus into the human body. That genetic material will only survive in the body for a very short time. In addition, during a COVID test, material is usually taken from the nose or throat.

The chance that the genetic material of the vaccine would be found in the nose or throat is virtually non-existent. This applies to the rapid test, the self-test and the saliva test.

Source: https://www.ema.europa.eu/en/human-regulatory-overview/public-health-threats/coronavirus-disease-covid-19/covid-19-medicines

Author: Prof. Dr. Dirk Devroey - Latest update: 2022-12-01 - Copyright: Clinifacts 2025