Is it illegal to ask an employee why they are sick?

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Tags

1. #details
2. #employer
3. #general
4. #allows
5. #questions
6. #employee
7. #prohibiting
8. #asking
9. #illness
10. #employers
11. #calls
12. #leave
13. #about
14. #expects
15. #federal
16. #state
17. #return
18. #certain
19. #there
20. #nature