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"Dr Nick Coatsworth was also asked whether pubs and venues should start cross-checking with each other to make sure their patrons had not already been to three other venues earlier that night. &quot;Well, that is not as impossible as it seems,&quot; Dr Coatsworth said. &quot;There are some nations that have got some very interesting technologies out there.&quot;He said people in South Korea had to scan their smartphones with a QR code. &quot;There are actually ways to regulate how many people are travelling from venue to venue,&quot; he said. However, Dr Coatsworth said this was not something they were deeply considering at the moment. &quot;But there are options if this continues to be a problem.&quot;"
<https://www.news.com.au/world/coronavirus/australia/coronavirus-australia-live-victoria-qld-nsw-covid19-updates/live-coverage/6112b8febb0cf51b6b5a73b74257af04>