New restrictions have been imposed in Victoria after a hotel quarantine worker tested positive for COVID-19, the disease caused by the CCP virus, on Wednesday. Victorian Premier Daniel Andrews announced that restrictions on gatherings would be reduced to 15, wearing masks indoor will be mandatory again, and planned increases to the number of employees returning to workplaces would be delayed. “This is one case. There’s no need for people to panic. There’s no need for people to be alarmed,” Andrews said. The 26-year old infected man worked at the Grand Hyatt hotel which is part of the Australian Open quarantine system. Authorities have been contacting all personnel and players of the tennis tournament who stayed in the hotel—up to 600 people— to tell them to get tested. They will need to remain in quarantine until they receive a negative test result. As a result, Thursday warm-up matches in Melbourne Park …