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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p><a href="https://www.dhs.gov/science-and-technology/sars-calculator">https://www.dhs.gov/science-and-technology/sars-calculator</a> <o:p></o:p></p><p>FWIW, when it’s completed, it will give us a way of computing the survival of covid 19 on various surfaces. <o:p></o:p></p><p>It seems to me that the DHS data (due out today) has conflicted up till now with the advice I forwarded earlier. Can’t understand why “good advice” is so down on food and brief surface contact. <o:p></o:p></p><p><o:p> </o:p></p><p>n<o:p></o:p></p></div></body></html>