WELLINGTON (Reuters) - New Zealand’s Prime Minister Jacinda Ardern on Sunday announced a three-day lockdown in the country’s biggest city Auckland, after three COVID-19 cases emerged, the first local infections since late January. Level 3 restrictions will require everyone to stay home except for essential shopping and essential work, Ardern said, repeating the strict approach the country has taken over the past year in virtually eliminating the pandemic. “We have stamped out the virus before and we will do it again,” Ardern told a news conference in the capital, Wellington. New Zealand, which had gone more than two months without local infections before the January case, is to start inoculating its 5 million people against the new coronavirus on Feb. 20, receiving the Pfizer-BioNTech vaccine earlier than anticipated. Restrictions were raised to level 3 through Wednesday, shutting public venues and prohibiting gatherings outside homes, except for weddings and funerals of up to 10 peo