Someone who visited the tourist destination on Friday, August 7 tested positive for Covid-19 two days later when they returned to Japan. READ MORE:* Coronavirus: Hobbiton visitor tested positive for Covid-19 two days later in Japan* Coronavirus: Hobbiton visitor who tested positive for Covid-19 on tour with 25* Coronavirus: Six new cases of Covid-19, five linked to Auckland clusterSupplied Otago University epidemiologist Michael Baker said people getting positive tests shortly after returning home was “mysterious”. One of those people received a positive test when returning to Sydney and another after returning to South Korea. Debris from an inactivated virus can remain in the respiratory tract for months and that's enough to produce a positive test, Baker said. Prasesh Shiwakoti/Unsplash People can get a Covid-19 positive test months after contracting the virus and being cleared of infection.

Source: Stuff August 20, 2020 03:30 UTC