For more than a year, the city of Houston's health department has been testing wastewater to get a better idea of how fast the virus is spreading and what is to come. Chief Medical Officer for the City of Houston Dr. David E. Persse is quoted.
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For more than a year, the city of Houston's health department has been testing wastewater to get a better idea of how fast the virus is spreading and what is to come. Chief Medical Officer for the City of Houston Dr. David E. Persse is quoted.