Goldbaun, Christina and Ali Kate Cherkis. “The Only thing that can really save  the subway riders.”  New York Times, 22 March 2021, www.nytimes.com/2021/03/22/nyregion/nyc-subway-coronavirus.html,

Gold Michael. “New York Is Making Those 50 And Older Eligible For Vaccination On Tuesday, The Governor Says.” New York Times, 22 March 2021, https://www.nytimes.com/2021/03/22/nyregion/new-york-covid-eligible.html