COVID is on the rise again, with a peak likely over the holiday season. Given this, health authorities in a number of Australian states have recommended people start wearing masks again. In Western Australia, masks have been made mandatory in high-risk areas of public hospitals, while they’ve similarly been reintroduced in health-care settings in other parts of the country. Hospitals and aged care facilities are definitely the first places where masks need to be reinstated during an epidemic. But authorities are differing in their recommendations currently. Calls to mask up, particularly in the wider community, have not been unanimous. So...