Answer:
People should avoid others until their symptoms clear, as it is very contagious when caused by an infection. Most people are safe to go back to work, school, or daycare once symptoms have cleared. Treatment is often only required in severe cases, or when the infection does not clear on its own.
A food handler should stop working until it has no more signs of infection. Or wear long gloves that go up their arms. I hope this is what you want.
Answer:
the answer for this is radiation
Broken bones, the inability to prepare can result in injuries
Answer:
it might be self-monitoring (srry if i am wrong)