Dr. Howard Smith Oncall

  Vidcast:  https://youtu.be/X8JrdcYjpUY   An early warning to halt society reopening may well come from levels of CoVid19 viral proteins in our wastewater.   A Dutch study monitored wastewater treatment plants serving 6 cities 3 weeks before the first CoVid case surfaced and again one and two weeks after that case appeared.    Based on the analysis of wastewater viral material, the investigators found there were no persons infected 3 weeks prior to the first case.  At one week after that case surfaced, there were 2.5 infected persons per half-million and 2 weeks after there were nearly 11 persons per half million.   This technique may help our scarce CoVid tests go further.   https://www.medrxiv.org/content/10.1101/2020.03.29.20045880v1.full.pdf   #covid19 #coronavirus #wastewater #reopening #earlydetection