Control measures against the spread of Legionella from wastewater treatment plants Wastewater treatment plants (WWTPs) may spread Legionella via the air and cause pneumonia if people inhale them.
Vaccination rate again drops slightly, HPV vaccination rate drops considerably The vaccination rate for vaccines included in the National Immunisation Programme has dropped slightly by about 1 percent.
Protection of Defence personnel against health risks of chromium-6 was inadequate From 1984-2006, employees of the Dutch Ministry of Defence were exposed to chromium-6 during maintenance work.