Four of Victoria’s new COVID-19 cases are of the more infectious Delta variant, with Health Minister Martin Foley confirming on Monday the cases were linked to the state’s outbreak of the Delta variant, also known as B.1.617.2, which began in the suburb of West Melbourne. The cases are three children and an adult and bring the total number of cases in the outbreak to 14. State testing commander Jeroen Weimar said more than 5800 people were placed in quarantined after coming into contact with a positive case, while there were 350 exposure sites across Victoria. Authorities still don’t know how the Delta variant has spread in Melbourne. Victoria’s Chief Health Officer Brett Sutton said authorities were combing genomic sequencing data from across the country for answers. The virus is suspected of having leaked from hotel quarantine or from a returned traveller who was provided with an exemption to isolate at home. …