I've seen the guidance that says if someone tests positive for covid they should stay off school for 3 days and not go in to take exams. What happens if they still feel bad on day 4 /5/6? Must they have a temperature to be considered I'll enough to legitimately miss an A level? Lots of people I know didn't have a temperature on day 4 but felt exhausted/ brain foggy. They didn't feel properly better for up to a week or longer.