From 20 November on, data from National Immunisation Programme will be available through the client portal provided by the National Institute for Public Health and the Environment (RIVM): Mijn.RIVM.nl . The data can also be accessed through five personal digital health environments qualified for this purpose.

In 2021, fewer people contracted diseases for which vaccines are offered under the National Immunisation Programme (NIP) than before the coronavirus pandemic. This is very likely largely due to the impact of the coronavirus measures, such as social distancing and hand washing.