Important additions to our COVID-19 information page today include the infection rate model (“Rt”) from Kevin Systrom et al, critical insight from infectious disease epidemiologist Michael Osterholm, the CoVIg-19 plasma alliance, testing failures and risks, and more. https://macintouch.com/coronavirus/ (Click on “April 19” under Updates to show these recent items or click another date to see … Continue reading "Coronavirus"