The COVID-19 pandemic reached the Navajo Nation on March 17, 2020. On March 20, a stay-at-home order was issued after 14 cases of the coronavirus were confirmed, with an 8 p.m. to 5 a.m. curfew enforced. Beginning April 12, a 57-hour weekend curfew was declared. At that point, there were 698 confirmed cases of coronavirus, including 24 deaths, among members of the Navajo Nation living in New Mexico, Arizona and Utah. On April 19, the Navajo Department of Health issued an emergency public health order mandating the use of masks outside the home, in addition to existing orders for sheltering in place and nightly and weekend curfews. By April 20, the Navajo Nation had the third-highest infection rate in the United States, after New York and New Jersey.