Subscribe and 🔔 to the BBC 👉 https://bit.ly/BBCYouTubeSub Watch the BBC first on iPlayer 👉 https://bbc.in/iPlayer-Home http://www.bbc.co.uk/ww1 Saleyha Ahsan looks at trench foot and other infections of the war. Particularly how poor wound cleansing was one of the major contributors to amputations and death. #bbc