Hi Artic, here's a new study you might find interesting. It seems to disagree with your contention that immunity is normal for coronaviruses. https://www.techn

Hi Artic, here's a new study you might find interesting. It seems to disagree with your contention that immunity is normal for coronaviruses. https://www.technologyreview.com/2020/04/27/1000569/how-long-are-people-immune-to-covid-19/ https://www.technologyreview.com/2020/04/27/1000569/how-long...