Getty Images A new study indicates that even asymptomatic patients can spread the virus around the room they’re in. They suggest that dedicated hospital units for COVID-19 patients would be preferable to isolating at home. A new study has revealed that even asymptomatic COVID-19 patients can contaminate their surroundings, potentially spreading the disease to healthcare workers. These rooms were occupied by 13 COVID-19 patients, including 2 asymptomatic ones. What we now know about asymptomatic spread Brian Labus, PhD, MPH, an assistant professor in the School of Public Health at the University of Nevada, Las Vegas, said that we currently know that asymptomatic and presymptomatic people can spread the virus.