Differences in the population size between different countries are often large.
And the second map shows the growth rate over this period: blue are all those countries in which the case count in the last two weeks was lower than in the two weeks before.
SEOUL—South Korea had throughout much of the pandemic, and it now has one of the highest vaccination rates among wealthy countries.
The fill-and-finish agreement entails the Korean pharmaceutical company handling the final stage of the production process, which involves placing bulk vaccines into vials and packaging them for shipment.
The index on any given day is calculated as the mean score of nine policy measures, each taking a value between 0 and 100.
People who develop chest pain, fever or shortness of breath within a week after vaccination should immediately visit a hospital.