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| Friday 14 Jul 2017: Anthrax from cheap shaving brushes |
| During World War I, there was a large increase of cases of anthrax (miltvuur in Dutch) in the USA and UK. Initially it was thought this was caused by "diabolical tactics of the enemy," but it turned out that low-cost shaving brushes made of horse hair rather than badger hair were the source of the outbreak. |