Indeed, I'm sure ideas like washing your hands and drinking clean water also sounded silly at some point. [NB In the middle of reading a history of the Crimean

Indeed, I'm sure ideas like washing your hands and drinking clean water also sounded silly at some point. [NB In the middle of reading a history of the Crimean war and you realise how many aspects of basic hygiene were completely ignored as recently as the mid 19th century].