Chief health officer Professor Brett Sutton said health authorities were aware of links across the sites.
There is another major outbreak at an abattoir in Victoria’s southwest where 47 cases have been recorded at Colac’s Australian Lamb Company.
Somerville Retail Services abattoir in Tottenham is at the centre of one of Victoria’s largest outbreaks at 95 COVID-19 cases, while the nearby JBS Australia facility in Brooklyn has 71 confirmed infections.
Victoria’s chief health officer has confirmed links between infections at abattoirs and small goods factories as coronavirus spreads across the state’s meat industry.
Premier Daniel Andrews said people attending work when ill continued to drive up cases as Victoria recorded 503 new infections on Monday – the highest daily increase since the start of the pandemic.