How to ask for leave from the teacher when the child is yang

Teacher, I am a parent of someone. Today, we received a text message informing our child that the nucleic acid report was positive, and now we are in home isolation. I hope the teacher will know that the child will be sick for one week.

truthfully report sick leave.

If the child is yang, immediately notify the teacher to explain the situation to the teacher, so that the school can deal with this unexpected situation in time, and even ensure the health of other children at school, so don't hide it, tell the truth about the child's condition.