NEW YORK — Citing an anthrax scare and other safety problems, the Centers for Disease Control and Prevention on Friday said it shut down two research labs and stopped shipping highly dangerous germs to other labs.
An incident at one of the closed Atlanta labs could have accidentally exposed workers in three labs to anthrax last month. A second, previously undisclosed problem earlier this year involved deadly bird flu.
The CDC also released a report that detailed three other incidents in the past decade in which mistakes or other problems caused potentially dangerous germs to be sent out. No lab worker or member of the public was sickened in any of the incidents, the CDC said.
The federal agency operates some of the world’s most advanced and most secure laboratories for the handling of deadly germs, and has enjoyed a reputation as a role model for that kind of work. During a press conference Friday, CDC director Dr. Tom Frieden said he was upset by the carelessness.
“I’m just astonished that this could have happened here,” he said.
Frieden said internal and outside panels will investigate both recent problems and review safety procedures for handling dangerous germs.
Friday’s disclosures came days after the government revealed that 60-year-old vials of smallpox virus had been forgotten in a lab building at the National Institutes of Health campus in Bethesda, Maryland.
Frieden said Friday that tests show that two of the six vials had live virus. More testing is going on, but all the samples are to be destroyed. No infections have been reported in that incident, either.
Smallpox was one of the most lethal diseases until a vaccine was developed. It was declared eradicated in the 1980s, and all known live virus is stored at CDC headquarters in Atlanta or in Russia.
The CDC shipment moratorium applies to specially built labs in Atlanta and Fort Collins, Colorado, that deal with the most dangerous infectious germs. Work in the labs includes developing vaccines and medications and finding faster ways to diagnose infection.
“They deal with the most sensitive infectious agents and so we expect they will adhere to very high standards,” said Dr. William Schaffner, an infectious disease expert at Vanderbilt University.
Schaffner called the CDC’s disclosures “disturbing,” but praised the CDC for being candid and for taking steps to prevent future mishaps.
Frieden said “appropriate personnel action” will be taken against any employees who caused or failed to prevent the safety failures. No matter how terrifying these germs can be, “if you work with something day in and day out, (eventually) you can get a little careless,” he said.
The anthrax incident occurred in a lab that works on germs that can be used in bioterrorism. A CDC report issued Friday showed the problem started on June 5 when a scientist who was new to the lab used live anthrax for an experiment which did not require use of such a dangerous bacteria. There were other errors — perhaps chief among them, samples weren’t sterilized as expected before being sent out to two other less secure CDC labs.