When accounting for disease control in design, the key is to understand the transport of contaminated droplets.
Coronavirus can spread up to four metres from patients, putting lives of health staff at risk: Study
On testing the floor and other surfaces like computers, handrails, doorknobs, etc they found high levels of contamination of the virus.
Staying two metres away rule based on old guidelines, Coronavirus can travel upto eight metres warned MIT researcher
She said that the droplet can contaminate the surfaces along its trajectory and may stay in the air for hours.