Western Australian authorities remain unsure whether the state’s five-day lockdown will end as scheduled as they continue to investigate how the hotel quarantine security guard who triggered the lockdown contracted the CCP virus. The guard at the Sheraton Four Points in Perth CBD, who has been confirmed to have the highly transmissible UK strain, attended 16 venues over several days while infected. Consequently, two million Western Australians from Perth, the Peel region, and the South West have been plunged into a strict lockdown scheduled to finish on Feb. 5. Western Australian Premier Mark McGowan said on Tuesday that authorities are continuing to monitor the situation. “The fact that we have had zero cases, two days in a row, particularly given the extensiveness of testing, is encouraging. We are going to continue to monitor the situation,” he said. Health authorities expect most of the hotel guard’s 11 close contacts, including his three …