- The Washington Times - Monday, September 2, 2002

ATLANTA (AP) A heart transplant patient's diagnosis of West Nile virus is raising questions about how the virus spreads and whether blood donors could unknowingly transmit it.
Federal experts and the American Red Cross met yesterday to determine how to deal with the potential threat.
"We've known for some time that there is a theoretical possibility that people can get this through blood or organ transplants," said Tom Skinner, a spokesman with Atlanta-based Centers for Disease Control and Prevention. "It's highly unusual but it's certainly possible."
Officials with the Food and Drug Administration said they issued an alert to blood banks two weeks ago to exercise extra caution when screening donors, said Dr. Jesse Goodman with the FDA.
"We have been very active and tried to anticipate the possibility of something like this," Dr. Goodman said.
Four persons, who were not identified, might have been infected with West Nile virus after receiving the kidneys, heart and liver of a woman who died in Georgia in early August after a car accident, the CDC said.
Three of the four patients developed symptoms of encephalitis, the inflammation of the brain and central nervous system, which is the most serious consequence of West Nile virus.
One of the four recipients, who was in Atlanta, has died, said Dr. James Hughes, director of the CDC's National Center for Infectious Disease.
Standard pathology tests from an autopsy confirmed the recipient had encephalitis. Tests are ongoing to see if the recipient was infected with West Nile.
Another recipient from Jacksonville, Fla., showed symptoms of encephalitis yesterday, said Dr. John Agwunobi, the Florida secretary of health.
The heart recipient, a 63-year-old man, was diagnosed with West Nile last week. He was upgraded from critical to serious condition yesterday, said Evelyn Lichterman, an administrator at Jackson Memorial Hospital in Miami.
Officials were sure the man didn't contract the disease from a mosquito in Miami-Dade County, said Mary Jo Trepka, epidemiology director with the Miami-Dade health department.
Officials say it is unknown whether the Georgia organ donor was already infected through blood transfusions in the emergency room. The CDC is backtracking to trace donors who contributed the transfused blood, the blood products made from those donations and any other patients who may have received blood or blood products from those donations, Dr. Hughes said.
Samples from the four transplant recipients were sent to the CDC's lab in Fort Collins, Colo., Dr. Hughes said. Tests results are expected within the week.
There is no test yet that can quickly or accurately identify the presence of the West Nile virus. Patients are diagnosed on the basis of their immune response to the virus.
However, researchers at the CDC are trying to find a way that will cut down the time from when infection occurs and when a response to the virus can be measured, the CDC said. Presently, it takes about 15 days between the time infection occurs and when the response can be measured.
Officials say they remain optimistic that the chances West Nile can spread through blood is low because no confirmed cases yet exist.
While nothing has confirmed that West Nile has been passed by blood donation, there are some known cases of other mosquito-borne diseases being passed by human blood transfusion or transplants.

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