Temperature testing is worthless, due to asymptomatic transmission.
https://www.contagionlive.com/news/case-study-shows-asymptomatic-transmission-of-covid19-in-china
Food workers- from processing plants to grocery stores, should have equal access to the exact same PPE and fast testing equipment that health care workers should be getting. And none of this DIY PPE garbage either. It's important that health care workers stay healthy, but, if the food distribution system breaks down, we're screwed.