1. Esteban Moctezuma: the face mask will be mandatory on the return to school even if the traffic light is green infobae
  2. Mouthguards will be mandatory in schools despite a green light: Esteban Moctezuma SDPnoticias.com
  3. Why is it necessary to cover mouthpieces when returning to class? SEP explains it with this video Uno TV Noticias
  4. Distance education and healthy living Excelsior
  5. Esteban Moctezuma: The mask will be compulsory on the way back to school, even if the traffic light is green.
  6. See full coverage on Google News