The US likewise had a reserve until it was depleted in 2009 and never replaced https://www.bloomberg.com/news/articles/2020-03-18/hospital-makes-face-masks-covi

The US likewise had a reserve until it was depleted in 2009 and never replaced https://www.bloomberg.com/news/articles/2020-03-18/hospital-makes-face-masks-covid-19-shields-from-office-supplies https://www.bloomberg.com/news/articles/2020-03-18/hospital-...