Are Brisbane’s latest COVID-19 cases a cluster that might lead to community transmission?

Brisbane’s latest coronavirus cluster has put residents on tenterhooks about a possible outbreak in hotel quarantine spreading into the community via a frontline healthcare worker.

So far those fears — fuelled by the memory of a snap lockdown across south-east Queensland in similar circumstances in January — have not been fully realised.

But with hundreds of test results still to come and a worrying coronavirus outbreak on Queensland’s northern doorstep in Papua New Guinea, authorities remain on alert.

Is this a cluster?

Yes — but a small one.

It involves a doctor, and two returned overseas travellers who were in quarantine in Brisbane’s Hotel Grand Chancellor.

Last Wednesday, one of the travellers tested…