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 E-Mail IMAGE: Surfaces with taller and closely packed pillars with a contact angle of around 60 degrees show the strongest antiviral effect or shortest drying time. view more  Credit: S. Chatterjee, J.S. Murallidharan, A. Agrawal, and R. Bhardwaj WASHINGTON, May 4, 2021 If a respiratory droplet from a person infected with COVID-19 lands on a surface, it becomes a possible source of disease spread. This is known as the fomite route of disease spread, in which the aqueous phase of the respiratory droplet serves as a medium for virus survival. The lifespan of the respiratory droplet dictates how likely a surface is to spread a virus. While 99.9% of the droplet s liquid content evaporates within a few minutes, a residual thin film that allows the virus to survive can be left behind.

United statesRajneesh bhardwajJanini murallidharanSanghamitro chatterjeeAmit agrawalJanani srree murallidharanஒன்றுபட்டது மாநிலங்களில்ரஜ்னீஷ் பரத்வாஜ்