On Sunday, all tourists and retailers were seen wearing facemasks, while Chiang Mai Municipality officials were at hand to monitor the situation.
Meanwhile, tourists said they had confidence in the screening methods employed at the walking street to contain the spread of the disease.
The Centre for Covid-19 Situation Administration reported five new cases on Saturday, including a local infection. The local patient is a 29-year-old Chiang Mai resident.
Dr Sophon Iamsirithaworn, director of the Division of Communicable Disease, said investigation by related authorities showed the patient had worked in Myanmar from October 24 to November 23.