아프지 않으면 마스크 쓸 필요가 없다고 수 많은 전문가들이 말하는데, 왜 말 안들어요? https://www.cnn.com/2020/03/30/world/coronavirus-who-masks-recommendation-trnd/index.html https://www.cbc.ca/player/play/1694536259642 https://www.ucsfhealth.org/education/should-i-wear-a-mask-to-protect-against-the-coronavirus
https://www.cnn.com/2020/03/30/world/coronavirus-who-masks-recommendation-trnd/index.html
https://www.cbc.ca/player/play/1694536259642
https://www.ucsfhealth.org/education/should-i-wear-a-mask-to-protect-against-the-coronavirus