Respiratory DropletsSARS-CoV-2 spreads mainly through respiratory droplets -- spatters of saliva or discharge from the nose, according to the World Health Organization.
Since the first weeks of the pandemic, however, scientists in China have said infectious SARS-CoV-2 virus in the stool of Covid-19 patients may also play a role in transmission.
A February study of 73 patients hospitalized with the coronavirus in Guangdong province found more than half tested positive for the virus in their stool.Previous research has shown that toilet flushes can generate germ-laden aerosols from the excreta, the China CDC scientists said.