perceiving effect of environmental factors on prevalence of sars-cov-2 virus and using health strategies: a review

Newly emerged sars-cov-2 virus has been identified in china since 2019 and is still progressing as a tense threat to the human health worldwide. this virus can cause an acute respiratory infection and lead to death under acute circumstances. to describe the environmental factors affecting the prevalence of the disease as well as make an appropriate health strategy, some databases were reviewed. coronavirus is mainly transmitted by direct contact through respiratory droplets. it can also be transmitted through secondary routes such as air, close contact and contaminated surfaces. the transmission through food has not been conclusively proven, but there are concerns about the food preparation, storage, infected staffs and improper use of personal protective equipment as the source of infection. some possible sources of transmission are the contaminated water and sewage, especially in the areas where patients have the symptoms of diarrhea and vomiting. in this study, we described the essential strategies in order to prevent the spread of covid-19 disease. based on the most important criteria, this study developed a prevention model and health strategy including updated training information, improvement programs, risk assessment, environmental monitoring, operational measures as well as supportive approaches and programs, which can be used step by step to reach a healthy environment, increase the compliance with protocols and, eventually, decrease the incidence of covid-19.