Journal
ENVIRONMENTAL CHEMISTRY LETTERS
Volume 20, Issue 3, Pages 1603-1610Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s10311-022-01418-9
Keywords
SARS-CoV-2; Environmental factors; Temperature; Humidity; Surfaces; Personal protective equipment; Insects
Funding
- Bulgarian National Science Fund (BNSF) [KP-06-H31/18/13.12.2019]
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The COVID-19 pandemic has had a significant impact on healthcare systems and the global economy. This review explores various environmental factors that influence the transmission of the virus, including air, temperature, humidity, food, water and sewage, insects, inanimate surfaces, hand hygiene, and social distancing. The main mode of transmission is through respiratory aerosols, and measures such as wearing masks and maintaining social distance can effectively prevent airborne transmission.
The coronavirus 2019 pandemic, induced by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has strongly altered healthcare systems and the economy worldwide. The lack of knowledge on this virus has led to the implementation of uncertain strategies and measures to fight the pandemic. Here, we review environmental factors that control viral transmission, such as air, temperature, humidity, food, water and sewage, insects, inanimate surfaces, hand hygiene, and social distancing. The main route of viral transmission is the respiratory tract through aerosols. Masks and social distancing are effective in ceasing air transmission. Proper cleaning of surfaces and hand disinfection are required, especially in healthcare units. Food should be handled properly, and food handlers should work based on hygienic protocols. Water and sewage transmission, and transmission through insects appear less important than other environmental factors.
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