A person who carries coronavirus can infect other people within a certain time frame. How long someone is infectious for differs from one person to another. The number of infectious people is estimated using data from various sources. It is not possible to know exactly how many people are infectious, but we can indicate whether there are dozens, hundreds, thousands or even more. Read more in 'explanation of the data presented'.
Last values obtained on Tuesday, 24 November. Is updated on a weekly basis.