Fresh concerns hover over the Australian Grand Prix after revelations three Formula One team personnel have undergone tests for coronavirus.

One McLaren staff member and two people from Haas were evaluated in an isolation unit set up at the Albert Park circuit.

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The Haas and McLaren employees are quarantined in their hotels while they await their test results.

“The AGPC is monitoring the situation in conjunction with Formula One and the FIA” Australian Grand Prix Corporation chief executive Andrew Westacott said.

An outbreak among team staff would leave questions over whether this weekend’s season-opening program can proceed.

With equipment unloaded over the past few days and personnel on site, organisers appear likely to attempt to push ahead with the schedule.

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But Autosport reports a number of personnel were “showing fever symptoms at the track”, suggesting more unidentified staff are in the process of being tested or isolated.

As Victoria manages further cases that have closed schools around Melbourne the prospect of up to 100,000 fans gathering at Albert Park on a single day will cause concern.

The state government is yet to place a ban on mass gatherings.

The Australian Grand Prix Corporation has taken precautions and implemented cleaning stations and increased hygiene messaging.

Promoters have also “increased monitoring, assessment and escalation capabilities and protocols for the response to a potential, suspected or confirmed case of coronavirus”.

Drivers will have limited interaction with fans, with selfies banned and autograph sessions to be conducted as question-and-answer interview sessions.

Australian driver Daniel Ricciardo and teammate Esteban Ocon were pulled from a scheduled press conference on Wednesday evening after Renault were informed of the Haas and McLaren tests.

Daniel Ricciardo attended Renault’s livery launch on Wednesday afternoon. Credit: SCOTT BARBOUR / AAPIMAGE

“Our drivers were supposed to be with us for this event but due to the situation we’ve excused them for the occasion,” team principal Cyril Abiteboul said at the launch of their 2020 livery.

“I hope you understand why we are taking such measures.”

On-track action is scheduled to begin on Thursday morning, while the first Formula One practice session is set for midday on Friday.