The Centers for Disease Control and Prevention confirms that the second healthcare worker who tested positive last night for Ebola traveled by air Oct. 13, the day before she reported symptoms.

Original title: “CDC and Frontier Airlines Announce Passenger Notification Underway - Media Statement”

A second healthcare worker at Texas Presbyterian Hospital who provided care for the index patient has tested positive for Ebola according to preliminary tests performed overnight by the Texas Department of State Health Services' laboratory.

Original title: “Texas Reports Positive Test for Ebola in One Additional Healthcare Worker - Media Statement”

In addition to an initial team of 10 public health professionals sent on September 30 to support contact tracing and response after an index patient was hospitalized with Ebola in Dallas, CDC has sent new resources to Dallas to support the highest standard of infection control.

Original title: “CDC Taking Active Steps Related to Hospital Preparedness for Ebola Treatment - Fact Sheet”

CDC hosted a press briefing update the investigation of Ebola in the United States and West Africa..

Original title: “CDC update on Ebola Response, 10-14-2014 - Transcript”

CDC will host a press briefing to update the investigation of Ebola in the United States and West Africa.

Original title: “CDC update on Ebola Response: 10-14-2014 - Media Advisory”

CDC hosted a press briefing update the investigation of Ebola in the United States and West Africa..

Original title: “CDC update on Ebola Response, 10-13-2014 - Transcript”

Today, the Centers for Disease Control and Prevention (CDC) confirmed test results reported late last night by the Texas Department of State Health Services' public health laboratory showing that a healthcare worker at Texas Presbyterian Hospital is positive for Ebola. The healthcare worker, who provided care for the Dallas index patient, was isolated soon after symptoms started and remains so now.

Original title: “CDC Confirms Healthcare Worker Who Provided Care for First Patient Positive for Ebola - Media Statement”

CDC hosted a press briefing to update on Dallas Ebola Response.

Original title: “CDC update on Dallas Ebola Response, 10-12-2014 - Transcript”

CDC will host a press briefing to update Dallas Ebola Response

Original title: “CDC update on Dallas Ebola Response - Media Advisory”

A healthcare worker at Texas Presbyterian Hospital who provided care for the index patient has tested positive for Ebola according to preliminary tests by the Texas Department of State Health Services' laboratory. The patient was isolated after the initial report of a fever and remains so now. Confirmation testing at the Centers for Disease Control and Prevention's laboratory will be done today.

Original title: “Texas Reports Positive Test for Ebola in a Health Care Worker - Media Statement”

CDC will host a press briefing to update the investigation of Ebola in the United States and West Africa.

Original title: “CDC update on Ebola Response - Media Advisory”

CDC hosted a press briefing to update on first Ebola case diagnosed in the United States and New Ebola Screening Guidelines in U.S. Airports.

Original title: “CDC Telebriefing: CDC update on first Ebola case diagnosed in the United States, 10-08-2014 - Transcript”

New layers of screening at airports that receive more than 94% of West African Travelers

Original title: “Enhanced Ebola Screening to Start at Five U.S. Airports and New Tracking Program for all People Entering U.S. from Ebola-affected Countries- Press Release”

CDC will host a press briefing to update on first Ebola case diagnosed in the United States and New Ebola Screening Guidelines in U.S. Airports.

Original title: “CDC update on first Ebola case diagnosed in the United States and New Ebola Screening Guidelines in U.S. Airports - Media Advisory”

CDC hosted a telebriefing to update the investigation of the first Ebola case diagnosed in the United States.

Original title: “CDC Telebriefing: CDC update on first Ebola case diagnosed in the United States, 10-07-2014 - Transcript”

CDC will host a press briefing to update the investigation of the first Ebola case diagnosed in the United States.

Original title: “CDC update on first Ebola case diagnosed in the United States: 10-07-2014 - Media Advisory”

CDC hosted a media briefing to update the investigation of the first Ebola case diagnosed in the United States..

Original title: “CDC Update on First Ebola Case Diagnosed in the United States, 10-05-2014 - Transcript”

CDC will host a media briefing to update the investigation of the first Ebola case diagnosed in the United States.

Original title: “CDC update on first Ebola case diagnosed in the United States: 10-05-2014 - Media Advisory”

CDC hosted a media briefing to update the investigation of the first Ebola case diagnosed in the United States..

Original title: “CDC Update on First Ebola Case Diagnosed in the United States, 10-04-2014 - Transcript”

CDC will host a media briefing to update the investigation of the first Ebola case diagnosed in the United States.

Original title: “CDC update on first Ebola case diagnosed in the United States: 10-04-2014 - Media Advisory”