European critical loads: database, biodiversity and ecosystems at risk 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.
Meningococcal immunisation recommendations re-examined Meningococcal disease is a very serious infectious disease that can cause meningitis or blood poisoning. Children are immunised against meningococcal serogroup C at 14 months.