How do we pay nurses for quarantining?

Q: “When paying nurses to stay home and quarantine, do I pay them straight time for the shifts they are scheduled? Some of our nurses work three 12-hour shifts one week, then four 12-hour shifts the next week. And do they receive eight hours of overtime for the four-shift week? Is there a standard rule on how to pay them, or does it just need to max out at 80 hours for two weeks?” – Anonymous, Oklahoma