Demographic and Social Dimension of the COVID-19 Pandemic in Polish Cities: Excess Deaths and Residents' Fears. Sustainability 2022, 14, 8194. https:// doi.org/10.3390/su14138194 Academic Editor: John Rennie Short Received: 23 May 2022 Accepted: 29 June 2022 Published: 5 July 2022 Publisher...