Chapter 5 Tests
5.1 Tested People versus Tested Samples
5.2 Interpolate Within Observed
5.3 Interplate Prior to Observed
5.4 Interpolate Subnationally
5.5 Explaining Variation in Testing
South Korea
Vietnam https://www.reuters.com/article/us-health-coronavirus-vietnam-fight-insi-idUSKBN22B34H