Epidemiologist on latest community Covid case in Northland

Health authorities are urgently trying to find out how a woman tested positive for Covid-19 in Northland after completing 14 days of managed isolation. After leaving isolation in Auckland's Pullman Hotel on January the 13th, the 56-year-old returned to her home in Northland, where she lives with one other person. Nathan Rarere spoke with University of Otago epidemiologist Professor Michael Baker.