1. Asia Today: S. Korea Begins Fining People Not Wearing Maskshttps://apnews.com/article/south-korea-coronavirus-pandemic-asia-seoul-5a1867e7209f947878974586e555599f
2. Sweden Says No Need for Face Masks as COVID-19 Deaths Top 7000https://www.reuters.com/article/us-health-coronavirus-sweden-cases-idUSKBN28D1TH
3. Hundreds Protest in Lisbon Against Mandatory Maskshttps://www.portugalresident.com/hundreds-protest-in-lisbon-against-mandatory-masks/
4. Effectiveness of Mask Wearing to Control Community Spread of SARS-CoV-2
5. Advice on the Use of Masks in the Community, during Home Care and in Healthcare Settings in the Context of the Novel Coronavirus (2019-nCoV) Outbreak: Interim Guidancehttps://www.who.int/publications/i/item/advice-on-the-use-of-masks-in-the-community-during-home-care-and-in-healthcare-settings-in-the-context-of-the-novel-coronavirus-(2019-ncov)-outbreak