ScienceAsk Derrick: Test and travel To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience10/15/2021October 15, 2021Don´t worry if you want to travel shortly after your vaccination. The shot does not affect your PCR test result. That´s true for vaccines based on mRNA technology as well as for inoculants made out of inactivated viruses.https://p.dw.com/p/41iWFAdvertisement