Chinese authorities said they had detected coronavirus on its frozen beef products.The Chinese city of Jinan said over the weekend it had found COVID-19 in beef and tripe, and on their packaging, from Brazil, Bolivia and New Zealand, while two other provincial capitals detected it on packaging on pork from Argentina.Ardern said at a news conference that New Zealand was told there had been positive tests on packaging of beef products from Argentina, and some New Zealand products were in the same cold store where the positive tests had been returned."We were not advised that New Zealand products had themselves tested positive for COVID-19," Ardern said."This is incredibly important to New Zealand.