Substances of very high concern hamper recycling Substances of very high concern (SVHC) can hamper the safe recycling of waste streams in the Netherlands. These substances occur in a wide range of waste streams.
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.