There’s actually a lot of variety in the priority order. Other than healthcare workers the following groups will be prioritized above age 65+ in Massachusetts
1. First responders
2. Nursing home residents
3. Homeless
4. Incarcerated
5. 2+ comorbidities
6. Top priority essential workers
7. Teachers
8. One comorbidity
(Check out your state here https://www.washingtonpost.com/graphics/2020/health/covid-va...)