The transport and freight industry says it may need to be more flexible with prioritising products, if a Covid-19 outbreak hits supply chains.
Supermarkets are already stockpiling and industries are planning for Omicron to begin spreading in the community any day now.
And unions are in discussion with large employers on their plans to tackle any staff shortages when Omicron hits.
FIRST Union general secretary Dennis Maga speaks to Sarah Robson.