Discussion regarding health-based guidance value of PFOA The European Food Safety Authority (EFSA) has published a provisional health-based guidance value for perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA).
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.