Infections - Reproduction number

Reproduction number

The reproduction number shows how fast the virus is spreading. The number shows how many people are on average infected by one patient with COVID-19. Read more in 'explanation of the data presented'.

Last values obtained on Friday, 5 March. Is updated on a weekly basis.

Source: RIVM

Download data: RIVM

Most recent reproduction number

1.04 confirmed cases per day.
0.1 lessthan the previous value

Number of people infected by one infectious person.

Image to support the explanation above

The reproduction number shows how fast the virus is spreading. This number shows how many people are on average infected by one patient with COVID-19. The number of transmissions remains more or less constant when the reproduction number is 1, declines when it is less than 1 and increases when the number is above 1.

Value of Thursday, 18 February · Source: RIVM

The reproduction number over time

This graph shows the progression of the reproduction number over time.
17 Feb18 Feb00.511.522.5Alert value: 1
  • The reproduction number is not an exact value but a reliable estimate. Reproduction numbers (R) using data from less than two weeks ago are not reliable, therefore, the line depicting R stops at a date two weeks in the past.

Source: RIVM