Greater Darwin and the town of Katherine in Australia’s Northern Territory have entered their first full day of lockdown after a single infection was discovered. Over 150,000 residents were plunged into a 72-hour lockdown from Aug. 16 midday after a U.S. traveller spent four days in the community. The man in his 30s travelled to Darwin for work last week on Aug. 12, travelled to the Hilton Hotel via taxi, before spending three days in the city, and then travelling to Katherine. Northern Territory Chief Minister Michael Gunner said the man was cooperating with authorities. However, Gunner would not reveal whether he was vaccinated or not. The man’s taxi and Uber drivers have been deemed close contacts. He has been moved to the National Centre for Resilience in Howard Springs and is presumed to have the Delta strain of COVID-19. Numerous sites across Darwin have been listed as exposure sites, …