The U.S. doctor believed to have developed SARS (search) symptoms while investigating the disease in Taiwan (search) is recovering in Atlanta, state health officials said Sunday.

Dr. Chesley L. Richards Jr., an infection control expert with the Centers for Disease Control and Prevention (search), arrived in Atlanta late Friday and was evaluated at a local hospital, said Richard Quartarone, spokesman for the Georgia Division of Public Health.

"He has arrived and is doing well," Quartarone said. After an evaluation, Georgia health officials classified Richards as the state's eighth suspected case of the respiratory illness, he said.

CDC spokeswoman Rhonda Smith said Richards is in good condition and is in isolation.

Richards went to Taiwan on May 15 to analyze infection control procedures (search) in hospitals as part of the CDC's SARS investigative team. Taiwan has had 72 deaths from SARS, the third-highest toll after China and Hong Kong. More than 700 people have died from SARS worldwide.

The doctor had visited the emergency rooms and intensive-care units at two Taipei hospitals where SARS outbreaks were reported, Taiwanese officials said.

CDC officials decided to have Richards return to the United States after he developed a fever and a cough last week that indicated the possibility of SARS. However, a chest X-ray did not indicate pneumonia, which is a symptom of a probable SARS case.

Three other CDC officials -- a doctor who initially helped treat Richards and two others who had contact with him -- also arrived on Friday and were examined.

"At this time, my understanding is they have not exhibited any of the symptoms that can be associated with SARS," Smith said. Calls to Richards' home Sunday were not immediately returned.

Another disease investigator who had been sent from abroad after the SARS outbreak died of the disease earlier this year in Thailand. Dr. Carlo Urbani had been an Italian World Health Organization communicable disease expert based in Hanoi, Vietnam, and was the first person to identify SARS and alert the world of its potential dangers.

CDC officials are not sure how Richards became ill, whether it was from the health care setting or elsewhere. CDC director Dr. Julie Gerberding noted he may have some other illness.

According to the CDC, the United States has had 290 suspected cases of SARS and 65 probable cases since the illness first surfaced in Asia late last year. No SARS deaths have been reported in this country.