ScienceAsk Derrick: Jabs and Positive TestsTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience11/10/2021November 10, 2021Our science correspondent Derrick Williams answers your questions. This time a viewer asks whether her husband tested positive for COVID-19 due to the vaccine.https://p.dw.com/p/42ozMAdvertisement