From the Summary: "The global system is still barely five months into the COVID-19 [coronavirus disease 2019] pandemic and so it is difficult to draw general conclusions about the outbreak. But what is noticeable is that certain countries have fared better than others in managing the spread of the virus. This briefing explores some of the possible reasons for this development."
Oxford Research Group
Oxford Research Group: https://www.oxfordresearchgroup.org.uk/