With studies showing that Covid-19 can survive up to 72 hours on stainless steel and plastic surfaces, businesses need to be vigilant in cleaning high touch areas including buttons, switches, and turnstiles. Any practices that can be implemented to reduce worker contact will only have a positive impact on their safety. Personal Nurse Call Triggers Regardless of the nurse call system your business uses, you can make your site safer for your workers with a virtual nurse call system.