¹ National Sea Rescue Institute (NSRI) : https://www.nsri.org.za/2021/02/nsri-drowning-the-silent-killer.
² World Health Organisation: https://www.who.int/news-room/fact-sheets/detail/drowning.
³ Brenner, R.A., Saluja, G. & Smith, G.S. (2009). Association between swimming lessons and drowning in childhood. JAMA Pediatrics.
4 Zhao et al, (2026). Effects of swimming intervention on motor competence and dynamic balance in children at risk for developmental coordination disorder: A pre-post intervention study. Frontiers in Psychology.