The vast brown rivers of sludge that gush into the sewage treatment plants across Germany may hold a key to early detection of any new wave of the coronavirus, scientists tell CNN.
원문출처 : https://www.cnn.com/2020/06/01/europe/germany-sewage-coronavirus-detection-intl/index.html
원문출처 : https://www.cnn.com/2020/06/01/europe/germany-sewage-coronavirus-detection-intl/index.html