![new-normal-life-after-COVID,-female-teacher-near-blackboard-shows-a-group-of-children-how-to-put-on-medical-mask-on-face-during-a-lesson-in-classroom](https://v1.cdnpk.net/videvo_files/video/premium/getty_58/thumbnails/istock-1278790911_small.jpg)
new normal life after COVID, female teacher near blackboard shows a group of children how to put on medical mask on face during a lesson in classroom
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