German scientists hope that human excrement can help detect early traces of Covid-19. They say traces of the virus can be found in wastewater and could predict potential outbreak areas. CNN's Fred Pleitgen explains.
원문출처 : https://www.cnn.com/videos/world/2020/05/29/germany-excrement-sewage-coronavirus-early-detection-pleitgen-pkg-intl-hnk-vpx.cnn
원문출처 : https://www.cnn.com/videos/world/2020/05/29/germany-excrement-sewage-coronavirus-early-detection-pleitgen-pkg-intl-hnk-vpx.cnn