RIVMNational Institute for Public Health and the Environment conducts research on influenza and vaccination in the Netherlands. Using the data collected, RIVM gives insight into the key facts and figures on flu and the flu vaccine. Facts and figures are required to develop measures to combat flu epidemics. RIVM is responsible for mapping these facts and figures and carries out on-going surveillance in cooperation with partners.

Flu epidemic 2019/2020

The flu epidemic in the winter of 2019/2020 was relatively mild and lasted for a short time, from 27 January to 16 February 2020. A brief resurgence of the flu epidemic from 2 to 15 March 2020 overlapped with the first two weeks of the COVID-19 epidemic. During this winter, influenza A viruses were the most common. Of all influenza A viruses found in patients with flu-like symptoms at the General Practitioner, 49% were of subtype A(H3N2), 43% of subtype A(H1N1)pdm09 and only 8% of type B.

More information about the flu season 2019/2020 will be available in RIVMNational Institute for Public Health and the Environment ’s annual report ‘Surveillance of influenza and other respiratory infections’, which will be published in December 2020. See the infographic below for the most important facts and figures about the flu in the winter of 2019/2020 in the Netherlands.


Click on the infographic 'Facts and figures flu in the Netherlands Winter 2019 / 2020' to view full size.