Table 5.

The inclusion and exclusion criteria used for preprocessing studies

Inclusion criteria	Exclusion criteria
•Study types	•Study types
Cohort, case-control, or cross-sectional studies, ecologic studies	Review and meta-analyses articles; proceeding articles; and policy articles, abstract, letters, short communications, and chapter in books
case-crossover, or time-series studies, WHO, and World Bank report
examining the impacts of COVID-19 on environment	•Articles languages Non-English language articles
•Environment factors: Outdoor and indoor air Humidity and temperature Metrological factors Wastewater Water Fomites Solid Waste
COVID-19 Pandemic and Secondary Effects on Environment
•Place and time period
Articles published from the late December 2019 to November 2020
•Articles languages English language articles