And now Singapore, this position paper is a thing of beauty. Another public health body for us to gaze at jealously. “when the Ct value was 30 or higher, no viable virus has been found. In addition, virus could not be isolated or cultured after day 11.” https://www.ams.edu.sg/view-pdf.aspx?file=media%5c5558_fi_168.pdf&ofile=Period+of+Infectivity+Position+Statement+(final)+23-5-20.pdf …https://twitter.com/AaronRichterman/status/1263953183401009155 …