The original content of Democracy Now! Headlines appears under the Creative Commons BY-NC-ND 3.0 License (United States). For more, including their other shows and media, visit www.democracynow.org. June 17, 2020 Study: 450,000 Coronavirus Cases Could Have Been Avoided If States Mandated Face Masks -------------------------------------------------------------------------------------- In other coronavirus news, a new study in the journal Health Affairs estimates as many as 450,000 cases of COVID-19 could have been prevented if states had mandated the wearing of face masks. .