“…They have reviewed the effects of factors such as urban greenery, temperature, humidity, wind, air and water quality, and indoor environmental conditions on the spread of COVID-19 ( Wu, 2021 ; Teller, 2021 ; Valsamatzi-Panagiotou and Penchovsky, 2022 ; Kumar et al, 2021 ; Weaver et al, 2022 ). Some of them also have considered some urban factors such as urban morphology, density, housing, health facilities, urban services, and transportation on the spread of COVID-19 ( Hussein, 2022 ; Azuma et al, 2020 ; Alam and Sultana, 2021 ). Also, the effect of social variables such as ethnicity, poverty, health insurance, occupation, and socio-economic factors on the transmission of COVID-19 is reviewed in some studies ( Brakefield et al, 2022 ).…”