A professor who works at a university along the border with Texas has become ill following a trip to Wuhan, China.
Wuhan is at the epicenter of an outbreak of the Coronavirus.
The respiratory virus has killed at least 17 people worldwide and sickened more than 500 in China.
One case has been confirmed in Washington state.
The Mexican professor who became ill on Monday, works at a university in Reynosa, which is just across the border from McAllen.
There is no confirmation yet on whether he has the Coronavirus.
Mexico has stepped up its health protocols to contain the spread of the illness in that country.