An employer may want to plan in case they need to close the workplace temporarily. For example, making sure staff have a way to communicate with the employer and other people they work with.
Employees and workers must receive any Statutory Sick Pay (SSP) due to them if they need to self-isolate because (a) they have coronavirus; (b) they have coronavirus symptoms, for example a high temperature or new continuous cough; or (c) they've been told to self-isolate by a doctor or NHS 111.
During a pandemic, employers will face a conflict between the need to keep genuinely sick employees away from the workplace and the need to prevent unauthorised absence.
During a pandemic or crisis, a business must keep itself and employees informed about related health risks.