There remains one positive case of COVID-19 in the NWT and 370 tests have been performed, the Department of Health and Social Services (HSS) said in an update on Sunday morning.
The territory's first positive case of the virus was discovered on Friday night and publicly announced on Saturday morning.
The individual who tested positive returned to Yellowknife during the second week of March after travelling to British Columbia and Alberta and the person was recovering at home, HSS said.
As of Saturday the individual was self-isolating at home along with the person's household.
The positive case was announced on the same day as the border closure order became effective. Returning NWT residents must undergo a 14-day isolation period and submit a self-isolation plan to HSS, which can be sent to protectNWT@gov.nt.ca. Returnees can also phone 1-833-378-8297.
Across Canada there were 1,302 positive cases of the virus and 19 deaths, as of Sunday morning, the Public Health Agency of Canada said in a report.
Nunavut and Yukon are the only parts of the country where a positive case has not yet been diagnosed.