NSW Transport authorities have flagged plans to step up the response to the coronavirus outbreak while ride share workers are being urged to stay home if they're sick amid growing commuter anxiety over the health crisis.

As a 22nd case of coronavirus was confirmed in NSW on Wednesday, Transport for NSW said it was developing strategies to address the spread of COVID-19.

Transport for NSW is working to develop plans to address the worsening coronavirus outbreak. Credit:AAP

However, trains and buses will not be more regularly disinfected until health authorities give the directive.

While cities across the world work to disinfect their subway and metro systems more frequently, the Herald understands NSW Health have given no guidance on introducing the measure locally.