On this day remember those we have lost to workplace injuries and disease, and help prevent future incidents by raising the awareness of health and safety in your workplace. WORK HEALTH & SAFETY 28 April 2015 Remember. Prevention World Day for Safety and Health at Work and Workers’ Memorial Day Tuesday 28 April 2015 #worldWHSday2015 Work health and safety. Remember. Prevention. On this day help prevent future incidents and remember those we have lost to workplace injuries and disease by raising awareness of health and safety in your workplace.