Keep three numbers in your head. One thousand. One hundred. Ten. One thousand. We are experiencing the third pandemic of this millennium. We have had AIDs, Swine Flu, and now Covid-19.  This millennium has seen also-rans, ‘mere’ epidemics which killed thousands of people:  the previous corona virus, Severe Acute Respiratory Syndrome (SARS), Avian Flu and Middle East Respiratory Syndrome (MERS).  One hundred. It is 100 days since the outbreak of Covid-19 was first reported to the WHO by the Chinese. Ten. The number of weeks the people of Wuhan spent in lockdown. In Ireland, we are in week 3, with…