There is concern about the current approach to nitrogen and the proposed measures; these concerns have been expressed in Dutch society as a whole and amongst farmers in particular.

The annual influenza epidemic in the winter of 2018-2019 was less severe than the year before. Approximately 400,000 people have had the flu.

Approximately 79 percent of the nature reserves (Natura 2000 areas) in EU countries are estimated to be exposed to an excess of nitrogen deposition in 2020.

Influenza vaccination reduces the number of influenza virus infections but not the overall number of illness.

Last winter season, the duration and severity of the influenza epidemic was moderate compared to previous years.

The flu epidemic in the winter of 2014 / 2015 lasted 21 weeks and as such was the longest epidemic ever recorded in the Netherlands. Nearly two million people suffered from flu-like symptoms.