The outbreak of the COVID-19 pandemic in late 2019 has led to many changes such as reduced human activities and effects on the environment. There is no big picture of the effects of pandemics on the environment using related evidence.

This study was conducted to investigate the effect of the COVID-19 pandemic on environmental health.

A systematic search of English language studies was performed in major electronic databases; Web of Science, PubMed, Scopus, and Google scholar web search engine from December 2019 to February 2022. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) standard guidelines were used to follow up the review process. finally 58 articles entered the review procedure.

The results of indicate a significant reduction of air pollutants and improved air quality. It improved the water quality of some rivers, canals, and seas during the lockdown of the COVID-19 pandemic. The effects of this disease on the environment cannot be fully described yet.

In the short term, the amount of air, water, and coastal pollution has been reduced. few studies have examined the effects of pandemics on the environment in the long run, which paves the way for more researches.

The use of telerehabilitation in different disciplines, particularly in the rehabilitation of older adults, has grown significantly across the world. In the wake of the coronavirus disease 2919 (COVID-19) outbreak, a chance has arisen to improve the user experience and to draw attention to the advantages of using this service. The current research aimed to evaluate the investigations that used telerehabilitation to assist elderly people during the COVID-19 pandemic.

Systematic searches of papers published between September 1, 2019, and December 1, 2021, were conducted in PubMed, Cochrane Library, Web of Science, Scopus, Science Direct, and ProQuest databases. The author narrowed down the list of articles by using search terms. Ultimately, publications from the COVID-19 period were studied for their perspectives on the use of telerehabilitation among the elderly population. The whole process was supervised by 2 investigators at the same time.

In total, 2529 articles were included in the first search. Five articles were chosen for further assessment based on the careful consideration of their titles, abstracts, and full texts. Cross-sectional, feasibility, case, and interventional studies comprised 20%, 20%, 20%, and 40% of the papers, respectively. The studies were carried out in Brazil, the United States, Germany, Japan, and South Korea and involved using telerehabilitation for elderly individuals, identification of crucial manifestations and impairments, improving physical function in this population, and ensuring their happiness.

Using a digital strategy for rehabilitation should be regarded as a means of overcoming the field’s obstacles. As a result, legislators and rehabilitation groups should consider the use of telerehabilitation for the elderly population during the COVID-19 pandemic.