More than 100 vaccines are being developed globally, including several already in human trials from the likes of AstraZeneca and Pfizer.
"If this portable device works. We may then distribute it to everyone in Singapore ... This will be more inclusive, and it will ensure that all of us will be protected."
The man, a taxi driver, falsely claimed food outlets would close and urged people to stock up due to impending COVID-19 restrictions.
These findings could cause changes in current discharge policies of patients who tested positive for the coronavirus disease.
"Let's keep Singapore healthy," the yellow and black robodog named SPOT said in English as it roamed around.