COVID19 + Condemnations. How is this possible?

2 types of property that can be condemned under a federally declared emergency like the COVID19 declaration:

• real property for physical facilities the government may need
• supplies such as medicine, food, equipment, parts, etc.

What allows the condemnations? The Stafford Act

Lexology | Faegre Drinker Biddle & Reath LLP | Condemnation and COVID-19: When National Emergencies and Eminent Domain Collide