Fig. 1From: Critical medical ecology and SARS-COV-2 in the urban environment: a pragmatic, dynamic approach to explaining and planning for research and practiceCritical Medical Ecological Model Applied to SARS-CoV-2 infection and COVID-19 (adapted from McElfroy and Townsend 2015). SARS-CoV-2: Severe acute respiratory syndrome coronavirus 2; COVID-19: Coronavirus disease 2019; ACE2: Angiotensin-converting enzyme 2Back to article page