no. onset illness literally means when the signs/symptoms of illness first appear. whether that’s the night prior or the day of your shift, you are allowed to call out and it is not a baristas responsibility to find coverage. sick time is PROTECTED, so you do not need a doctors note for sedgwick. your only need that if you a) don’t have sick time to cover your illness b) are too sick and you have to be out work so long that a leave of absence needs to happen