No new imported cases of COVID-19 have been detected in New Zealand's managed isolation and quarantine facilities (MIQ), the Ministry of Health announced on Monday.
There are no new cases of community transmission.
In a statement, the Ministry of Health confirmed that the case reported in Hamilton on Saturday is historical and not infectious.
The person has been discharged from the quarantine facility.
Genomic sequencing was inconclusive due to the very small amount of viral material in the sample, the ministry said. The test will be re-run later this week.
"Genomic sequencing is one of a range of factors, alongside clinical history, PCR test results and serology in considering whether cases are historical.
"The local public health unit has considered these factors in making its clinical assessment of the case."
The ministry will provide any further detail around genomic sequencing later this week.