Risk of degradation of European ecosystems by air pollution is decreasing The number of natural areas in Europe that are threatened by air pollution will decrease between 2005 and 2020.
Is screening for sexually transmitted infections as part of HIV care cost-effective in the Netherlands? Routine screening for anorectal chlamydia among HIV-positive men who have sex with men (MSM) could avert further spread of chlamydia and HIV in the total MSM population.