Does your play sand contain crystalline silica or other harmful materials? – Jurassic Sands
www.jurassicsand.com/blogs/news/does-your-sand-contain-crystalline-silica-or-other-harmful-materials
November 2018
Superbug warning as bacteria resist strong alcohol hand sanitisers, study finds | The Independent
www.independent.co.uk/news/health/hand-sanitiser-bacteria-superbug-infection-alcohol-disinfectant-antibiotic-resistance-a8473101.html