Presbyterian hospital. Its a Health Care Worker who provided health care for Thomas Eric Duncan who has died of ebola. A laboratory shows the worker is positive for ebola. Thats a preliminary test. More testing will be conducted by the centers for Disease Control and prevention. For now, sarah dallop is standing by. What can you tell us . Reporter good morning. This test came back late last night. The Health Care Worker started experiencing a fever on friday. The result came back late last or last night, rather. We dont know the identity of this person or their specific job function. We know this is a Health Care Worker who helped treat Thomas Eric Duncan and had this fever develop on friday. Now, Health Officials say they are now working to identify any contacts this person may have had, anyone who may have been exposed to the ebola while they do the finalizing of the confirmation testing at the cdc in atlanta. Now, according to state Health Officials, they knew this was a possibility