![State mask mandates to address COVID-19 have been complicated by anti-mask measures often dating back to the 19th century. | USAPP State mask mandates to address COVID-19 have been complicated by anti-mask measures often dating back to the 19th century. | USAPP](https://i0.wp.com/blogsmedia.lse.ac.uk/blogs.dir/58/files/2021/07/New-blog-image-test-2.png?resize=670%2C335&ssl=1)
State mask mandates to address COVID-19 have been complicated by anti-mask measures often dating back to the 19th century. | USAPP
![Hong Kong, China. 20th Oct, 2019. Protesters wearing masks gather at Canton Road during the anti-government march.Protesters defy demonstration ban, anti-mask law in Hong Kong and continue to protest across Hong Kong Hong Kong, China. 20th Oct, 2019. Protesters wearing masks gather at Canton Road during the anti-government march.Protesters defy demonstration ban, anti-mask law in Hong Kong and continue to protest across Hong Kong](https://c8.alamy.com/comp/2A5KTKH/hong-kong-china-20th-oct-2019-protesters-wearing-masks-gather-at-canton-road-during-the-anti-government-marchprotesters-defy-demonstration-ban-anti-mask-law-in-hong-kong-and-continue-to-protest-across-hong-kong-for-the-20th-consecutive-week-after-marching-for-few-hours-from-tsim-sha-tsui-towards-the-speed-train-rail-station-clashes-between-protesters-and-riot-police-occurred-in-different-parts-of-kowloon-side-credit-sopa-images-limitedalamy-live-news-2A5KTKH.jpg)
Hong Kong, China. 20th Oct, 2019. Protesters wearing masks gather at Canton Road during the anti-government march.Protesters defy demonstration ban, anti-mask law in Hong Kong and continue to protest across Hong Kong
![Exclusive: Anti-mask law targeting Hong Kong protesters could come into force by midnight on Friday, as government considers invoking emergency powers | South China Morning Post Exclusive: Anti-mask law targeting Hong Kong protesters could come into force by midnight on Friday, as government considers invoking emergency powers | South China Morning Post](https://img.i-scmp.com/cdn-cgi/image/fit=contain,width=425,format=auto/sites/default/files/styles/768x768/public/d8/images/methode/2019/10/04/ad8a88c0-e63e-11e9-8a10-b9721f28293e_image_hires_123624.jpg?itok=2M6pZ9ns&v=1570163789)