Employees will take their cues for how serious the situation is and how much they should commit themselves to the cause from their managers and senior leadership. If the authority figures are seen to be giving extra, it will inspire and energize other staff to do the same. It also works in reverse; if the managers/directors show fear, anxiety or low morale this will be infectious and damage the morale and productivity of the team. So, ensure your leaders are supercharged and seen to be supremely committed to the cause.