WELLINGTON, New Zealand (AFP) — New Zealand Prime Minister Jacinda Ardern defended her “Covid zero” elimination strategy Thursday amid fears an outbreak of the highly transmissible Delta variant has rendered the previously successful policy ineffective. A Delta case emerged in Auckland last week, ending a six-month run without local transmission in New Zealand, one of the world’s last Covid-free zones. That infection has since ballooned into the largest cluster the country has recorded throughout the […]