A couple of interesting links on COVID-2019.
Up to date maps and number of cases (updated daily):
https://experience.arcgis.com/experience/685d0ace521648f8a5beeeee1b9125cd
A very good article on herd immunity, so related to my yesterday post:
https://theconversation.com/coronavirus-can-herd-immunity-really-protect-us-133583
As usual, if you have comments, please send them to me at info@statisticallyinsignificant.uk