First Ebola Patient Coming to USA for Treatment

• Ebola Americans

  An ambulance arrives with Ebola victim Dr. Kent Brantly, right, to Emory University Hospital, Saturday, Aug. 2, 2014, in Atlanta. Brantly, infected with the Ebola virus in Africa arrived in Atlanta for treatment Saturday, landing in a specially equipped plane at a military base, then being whisked away to one of the most sophisticated hospital isolation units in the country, officials say. (AP Photo/WSB-TV Atlanta) METRO ATLANTA TV OUT

• Ebola American Doctor

  In this 2014 photo provided by the Samaritan's Purse aid organization, Dr. Kent Brantly, left, treats an Ebola patient at the Samaritan's Purse Ebola Case Management Center in Monrovia, Liberia. On Saturday, July 26, 2014, the North Carolina-based aid organization said Brantly tested positive for the disease and was being treated at a hospital in Monrovia. (AP Photo/Samaritan's Purse)

• Ebola Georgia

  Television news crews record a press conference at Emory University Hospital regarding the proposed treatment of two American aid workers who contracted Ebola in Africa at an isolated unit at the hospital to treat patients exposed to certain infectious diseases, Friday, Aug. 1, 2014, in Atlanta. Dr. Bruce Ribner said Friday he had no personal safety concerns over treating the patients of the dangerous disease. Hospital officials did not identify the patients, citing confidentiality rules. They were previously identified as Dr. Kent Brantly and Nancy Writebol. Ribner said one of the patients was expected to arrive Monday, while a second was expected several days later. (AP Photo/David Goldman)

• Ebola Americans

  This photo provided by Jeremy Writebol show his parents, David and Nancy Writebol, who are Christian missionaries in Liberia. Nancy Writebol is one of two Americans working for a missionary group in Liberia that have been diagnosed with Ebola. Plans are underway to bring back the two Americans from Africa for treatment. (AP Photo/Courtesy Jeremy Writebol)

• Ebola Americans

  This Oct. 7, 2013 photo provided by Jeremy Writebol show his mother, Nancy Writebol, with children in Liberia. Writebol is one of two Americans working for a missionary group in Liberia that have been diagnosed with Ebola. Plans are underway to bring back the two Americans from Africa for treatment. (AP Photo/Courtesy Jeremy Writebol)

• Ebola American Doctor

  Dr. David Mcray, left, listens to a question during a news conference with Dr. Jason Brewington, center, and Dr. Darrin D'Agostino about fellow doctor Kent Brantly Monday, July 28, 2014, in Fort Worth, Texas. Brantly is one of two American aid workers that have tested positive for the Ebola virus while working to combat an outbreak of the deadly disease at a hospital in Liberia. (AP Photo/LM Otero)

• Ebola American Doctor

  Dr. David Mcray speaks about his friend and colleague Dr. Kent Brantly during a news conference Monday, July 28, 2014, in Fort Worth, Texas. Brantly is one of two American aid workers that have tested positive for the Ebola virus while working to combat an outbreak of the deadly disease at a hospital in Liberia. (AP Photo/LM Otero)

• Ebola American Doctor

  Dr. David Mcray reads a recent message sent to him by his friend and colleague Dr. Kent Brantly during a news conference Monday, July 28, 2014, in Fort Worth, Texas. Brantly is one of two American aid workers that have tested positive for the Ebola virus while working to combat an outbreak of the deadly disease at a hospital in Liberia. (AP Photo/LM Otero)

• CDC Ebola

  In this undated photo released by the Center for Disease Control, a Aeromedical Biological Containment System which looks like a sealed isolation tent for Ebola air transportation is shown. On Thursday afternoon July 31, 2014, officials at Atlanta's Emory University Hospital said they expected one of the Americans to be transferred there "within the next several days." The hospital declined to identify which aid worker, citing privacy laws. (AP Photo/Center for Disease Control)

• Ebola Americans Georgia

  A private plane arrives at Dobbins Air Reserve Base in Marietta., Ga., Saturday, Aug. 2, 2014. Officials at Emory University Hospital in Atlanta expect an American who is infected with the Ebola virus to be transported for treatment today. (AP Photo/John Bazemore)

• Ebola Amecians Georgia

  An ambulance is shown en route to Emory University Hospital after departing from Dobbins Air Reserve Base in Marietta., Ga., Saturday, Aug. 2, 2014. Officials at Emory in Atlanta expect an American who is infected with the Ebola virus to be transported for treatment today. (AP Photo/John Bazemore)

• Ebola Americans Georgia

  An ambulance arrives at Emory University Hospital transporting an American that was infected with the Ebola virus, Saturday, Aug. 2, 2014, in Atlanta. A specially outfitted plane carrying Dr. Kent Brantly from West Africa arrived at a military base in Georgia. Brantly was taken to the Atlanta hospital. Another American with Ebola is expected to join him at the hospital in a few days. (AP Photo/David Goldman)

• Ebola Americans Georgia

  Hospital workers pass police officers guarding an entrance to Emory University Hospital after an ambulance arrived transporting an American that was infected with the Ebola virus, Saturday, Aug. 2, 2014, in Atlanta. A specially outfitted plane carrying Dr. Kent Brantly from West Africa arrived at a military base in Georgia. Brantly was taken to the Atlanta hospital. Another American with Ebola is expected to join him at the hospital in a few days. (AP Photo/David Goldman)

• Ebola Americans

  Dr. Jay Varkey, an infectious disease specialist at Emory Healthcare, speaks with reporters, Saturday, Aug. 2, 2014 in Atlanta. Varkey is part of a team of doctors who will treat the two American aid workers infected with the Ebola virus. The workers will be treated at Emory University Hospital in Atlanta. (AP Photo/Alex Sanz)

• Ebola Americans Georgia

  A police officer clears an entrance to Emory University Hospital after ambulance arrived transporting an American that was infected with the Ebola virus, Saturday, Aug. 2, 2014, in Atlanta. A specially outfitted plane carrying Dr. Kent Brantly from West Africa arrived at a military base in Georgia. Brantly was taken to the Atlanta hospital. Another American with Ebola is expected to join him at the hospital in a few days. (AP Photo/David Goldman)

By RAY HENRY

ATLANTA (AP) - An American doctor infected with the Ebola virus in Africa was able to walk from an ambulance into an Atlanta hospital Saturday after he arrived in the U.S. on a specially equipped plane, officials say.

It marks the first time anyone infected with Ebola, considered one of the world's deadliest diseases, is believed to have been brought into the country for treatment. A second American aid worker infected with the virus was expected to arrive within a couple days at Emory University, which has one of the most sophisticated isolation rooms in the country. U.S. officials are confident the patients can be treated without putting the public in danger.

The private plane outfitted with a special, portable tent designed for transporting patients with highly infectious diseases arrived late morning at Dobbins Air Reserve Base, spokesman Lt. Col. James Wilson confirmed. Dr. Kent Brantly, who was infected while treating Ebola patients in Liberia for the U.S.-based aid group Samaritan's Purse, was taken from the plane into a waiting ambulance.

The ambulance from Atlanta's Grady Memorial Hospital left the base in Marietta, Georgia, drove, without lights or sirens, the 15 miles or so toward Emory University Hospital where Brantly and the other aid worker will be treated. The ambulance was flanked only by a few SUVs and a police car for the short trip to the hospital along a wide-open Interstate with little to no traffic.

Once at the hospital, a person in white protective clothing from head to toe climbed down from the back of the ambulance. Another person in the same type of hazmat-looking suit took the man's gloved hands and guided him toward an Emory building. Kent Brantly's wife, Amber, said her husband was able to walk into the hospital.

"It was a relief to welcome Kent home today," she said in a statement. "I spoke with him, and he is glad to be back in the U.S. I am thankful to God for his safe transport and for giving him the strength to walk into the hospital."

The second patient, Nancy Writebol, will be brought from Africa soon, the hospital has said. The two seriously ill Americans worked for North Carolina-based Samaritan's Purse and U.S.-based SIM at a Liberian hospital that treated Ebola patients. Liberia is one of the three West Africa countries hit by the largest Ebola outbreak in history.

Dr. Jay Varkey, an infectious disease specialist at Emory who will be involved in Brantly's care, said the hospital's isolation unit is well-equipped to handle patients with diseases that are even more infectious than Ebola. The hospital is located just down a hill from the Centers for Disease Control and Prevention.

Its special unit was used for treating at least one SARS patient in 2005. Unlike Ebola, SARS - like the flu - is an airborne virus and can spread easily when an infected person coughs or sneezes. Health experts say a specialized isolation unit is not needed for treating an Ebola patient. Standard rigorous infection control measures should work at any hospital.

"Ebola is only transmitted through blood and bodily fluids," he said. "Unlike the flu, like influenza, which we deal with every winter, Ebola cannot be spread thorugh the air."

Ebola begins with fever, headache and weakness and can escalate to vomiting, diarrhea and kidney and liver problems. In some cases, patients bleed both internally and externally.

Dr. Philip Brachman, an Emory University public health specialist who for many years headed the CDC's disease detectives program, said Friday that since there is no cure, medical workers will try any modern therapy that can be done, such as better monitoring of fluids, electrolytes and vital signs.

"That's all we can do for such a patient. We can make them feel comfortable" and let the body try to beat back the virus, he said.

It's not known how Brantly was infected, but health care workers are among the most vulnerable because of their close contact with sick patients.

Brantly's wife, Amber, and their two children, 3 and 5, had left Liberia for a wedding in the U.S. just days before her husband fell ill and quarantined himself. Last week, in a statement, she said they were fine. They had been staying in Texas.

Brantly went to medical school at Indiana University and did a four-year residency at John Peter Smith Hospital in Fort Worth, Texas. Last October, he began a two-year fellowship with Samaritan's Purse to serve as a general practitioner at a mission hospital outside the Liberia capital of Monrovia. He directed the hospital's Ebola clinic when the outbreak reached that West Africa nation.

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Medical Writer Mike Stobbe in New York, Medical Writer Marilynn Marchione in Milwaukee, and video journalists Johnny Clark and Ron Harris in Atlanta contributed to this report.