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.
Regional differences in testing rates underestimate incidence of LGV epidemic Until 2003, Lymphogranuloma venereum (LGV), an aggressive form of chlamydia, was considered to be a rare tropical disease, endemic to Africa, Asia and the Caribbean.