New Zealand's Prime Minister Jacinda Ardern has declared a cross country lockdown after the nation affirmed one Covid case - the first privately sent Covid-19 case locally since February.

Ardern told a question and answer session Tuesday specialists were accepting it was the infectious Delta variation, despite the fact that genome sequencing is as yet in progress.

An unvaccinated 58-year-elderly person in the country's biggest city Auckland tried positive for the infection. The…