The TikTok video shows a blond child wearing a white face mask. To her left, an orange device takes readings. "1,376. 1,536. 1,769," a voice says in the clip. "2,125. So remember: Anything over 2,000 ...
Julia Schwarz has received funding from the Cambridge Language Sciences Incubator Fund, the ESRC, and the Gates Cambridge Trust. While mask-wearing is no longer required in many locations, it remains ...