Miguel performs various tasks all morning on the commercial farm where he works, including feeding animals, and doesn't discover until the afternoon that he is positive for a virus but not showing symptoms. What would be MOST ethical for Miguel to do?

A) He should immediately go home and wait for the infection period to end.
B) He should call his superior to inform her and ask what to do.
C) He should continue with his workday because he isn't showing symptoms.
D) He should wait until after work to inform his superior of the test result.