'It's a constant changing environment, and we're just playing catch up': Hospital food services, food waste, and COVID-19.

Despite the impact COVID-19 had on hospital food services, including their ability to audit food waste and increased food waste generation, the response from food services has demonstrated their adaptability to change. Sustainable healthcare, including the aggregate measuring and reduction of food waste in hospital food services, is an essential transition post-pandemic, and may be facilitated through the operational changes forced by COVID-19.