“…His excellent paper, 1 presented to the Royal Society of Medicine, highlighted the clinical characteristics specific to this condition, and recognised that timely intervention could reduce mortality. 6 Although bacterial infections have been implicated in this condition, 7 other causes include trauma, 8 viruses, 9 chemicals, 10 recreational drugs 11 and chemotherapy. 5 Children are now affected much less than adults, due to the UK immunisation policy offering all babies the combined diphtheria, pertussis and Hib vaccination during the first four months of life.…”