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.
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Fri, 05/29/2020 - 2:02am
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.