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Monday
Mar252013

Texas Biolab Loses Deadly Guanarito Virus

File photo. iStockphoto/Thinkstock(GALVESTON, Texas) -- The Galveston National Laboratory lost one of five vials containing a deadly Venezuelan virus, according to the University of Texas Medical Branch, which owns the $174 million facility designed with the strictest security measures to hold the deadliest viruses in the country.

Like Ebola, the Guanarito virus causes hemorrhagic fever, an illness named for "bleeding under the skin, in internal organs or from body orifices like the mouth, eyes, or ears," according to the Centers for Disease Control and Prevention.

"This is clearly an incident that is very discomforting and embarrassing to the University of Texas Medical Center and their national biosecurity lab that they have there," said Dr. William Schaffner, chairman of preventive medicine at Vanderbilt University Medical Center in Nashville, Tenn. "You can be sure there are a lot of sweating people down the chain at that institution."

Fortunately, losing a vial of Guanarito is not as threatening as losing a vial of anthrax, said Schaffner, a former president of the National Foundation for Infectious Diseases. The virus could theoretically spread between humans, but it usually only spreads between rodents in Venezuela.

Researchers don't believe the virus can survive in rodents in the U.S., according to a statement from David Callender, president of the University of Texas Medical Branch.

Still, the virus has caused "at least several hundred cases" of human disease in regions where it is common, said NIH's director of the Office of Biodefense Research Affairs, Michael Kurilla.

"The mortality is anywhere from at least 10 to 20 percent or slightly more," Kurilla told ABC News, adding that there is no treatment or cure for Guanarito. "That is considered very, very severe if you have a one in five chance of dying without anything to do for the person other than provide supportive hospital care."

Kurilla said the Galveston biolab requires the most stringent safety measures because it studies biosafety level BSL-4 materials, or dangerous infectious diseases that have no vaccines or cures. BSL-4 materials include Guanarito, anthrax, Ebola and the plague.

The Galveston researchers were conducting a routine inspection on March 20 and 21 when they noticed there were only four Guanarito vials instead of five. They announced the lapse on March 23.

The university does not believe this was the result of a security breach or any wrongdoing, but it notified the Centers for Disease Control and Prevention. An investigation is ongoing, but researchers suspect the vial was destroyed "during normal laboratory sterilization practices," according to Callender's statement.

All solid waste in BSL-4 labs is typically disposed of via a pressurized heating process that destroys hazardous materials without allowing the liquid to boil away, Kurilla said. As such, it's unlikely that investigators will be able to determine and prove whether this is what actually happened to the vial.

It's possible investigators will find the clerical error that led to the accidental disposal, but with computerized record keeping, it's less likely that vial numbers were transposed and the error can be easily traced, Kurilla said.

Schaffner agreed.

"I suspect that they may not ever be able to account for it if it was that kind of human error," Schaffner said. "This is a record-keeping issue, which means it was a human issue, which means doing that kind of tedious, important work, there was just a momentary slip up."

Copyright 2013 ABC News Radio