The individual identified that they had the onset of cough, a mild cough, and that's the primary symptom.

The men, who's in his forties, is now recovering at home.

Health officials say the risk to passengers is low, but they're now tracing who the man might have had contact with.

Where he picked up.

The Corona virus isn't clear.

Las Vegas doesn't have a known outbreak.

Officials predict it's only a matter of time until the virus will be passed on locally.

Should we find ourselves and in a circumstance where we're seeing there's local transmission, we need to start changing our approach.

Then the TTC is already doing that disinfecting vehicles more frequently.

As for passengers, I'm not very concerned like it's sad for those who're getting affected by it.

But I don't think we need to do a world panic every time, even when traveling home like you wondering if the person sitting close to me is infected.

Security guard had it and, uh, yeah, I was whacked, but he handled it properly.

He went isolated himself in all that.

If Toronto continues to see unexplained cases, it could change the definition of who's at risk and who should be tested or even retested.

And I know that in other jurisdictions that gone ahead and tested individuals who are, for example, ill with severe responded Torrey infection, so it might be now looking for the virus in cases that did not have a clear exposure.

Dr Mubarak A is among the scientists tapping into $27 million a new federal research money to study how long this Corona virus survives in the air and on service is a key unknown for officials trying to prevent more transmissions.