http://www.wnem.com/story/26765081/second-us-ebola-case-discovered
A Dallas healthcare worker who cared for Ebola patient Thomas Duncan at Texas Health Presbyterian Hospital has tested positive, the Texas Department of State Health Services reported early Sunday.

The preliminary test was performed by the state public health laboratory in Austin, TX.

According to the department's news release, the worker was isolated and tested after reporting a low-grade fever Friday night.

"We knew a second case could be a reality, and we've been preparing for this possibility," said Dr. David Lakey, commissioner of the Texas Department of State Health Services. "We are broadening our team in Dallas and working with extreme diligence to prevent further spread."

Health officials were identifying contacts and potential exposures for possible monitoring, depending on their interactions with the healthcare worker and their potential for exposure to the virus.

The Centers for Disease Control and Prevention will conduct a confirmation test.

The positive test comes less than a week after Duncan, the first person to test positive for Ebola in the U.S., died at Texas Health Presbyterian Hospital.

More than 4,000 people have died of Ebola, the World Health Organization announced Friday, and there were more than 8,300 confirmed, probable and suspected cases of the disease.

Ebola virus doing wonders around the world