For additional information and details on methodology for the research on the impact of temperature and relative humidity on SARS-CoV-2 decay on surfaces, please see the article titled, “Increasing Temperature and Relative Humidity Accelerates Inactivation of SARS-CoV-2 on Surfaces” published in the American Society for Microbiology journal.There was no significant difference found in the decay of the virus found between stainless steel ABS plastic, and nitrile rubber.Testing performed on non-porous surfaces, specifically stainless steel, ABS plastic, and nitrile rubber.These data have been used to develop a predictive model to estimate virus decay under a limited range of environmental conditions.Viral survival on surfaces is driven by temperature, relative humidity (RH), sunlight (UV), and matrix (e.g., bodily fluids).DHS S&T has studied the stability of SARS-CoV-2 in simulated saliva, using droplets of varying size deposited on a non-porous surface under a range of temperature and RH conditions.SARS-CoV-2 will survive in saliva and respiratory fluids on surfaces for extended periods of time under certain conditions.Contact with contaminated surfaces and objects may also contribute to spread.Transmission occurs primarily through respiratory droplets produced by talking, coughing and sneezing.Preventing person-to-person spread of SARS-CoV-2 is the only means to reduce the impact of COVID-19 in the absence of an effective therapeutic.
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