U.S. lawmakers press CDC chief over 'dangerous pattern' of lapses

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U.S. lawmakers press CDC chief over 'dangerous pattern' of lapses
Center for Disease Control and Prevention (CDC) Director Tom Frieden testifies before the House Energy and Commerce Committee - Oversight and Investigations Subcommittee on a recent anthrax lab incident in the Rayburn House Office Building on July 16, 2014 on Capitol Hill in Washington, DC. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images)
House Oversight and Investigations subcommittee Chairman Rep. Tim Murphy (D-PA), holds up a bag as she speaks on Capitol Hill in Washington, Wednesday, July 16, 2014, during a hearing on the incident last month at a Centers for Disease Control and Prevention lab that handles bioterrorism agents. (AP Photo/Lauren Victoria Burke)
A chart is on display on Capitol Hill in Washington, Wednesday, July 16, 2014, during the House Oversight and Investigations subcommittee hearing about an incident last month at a Centers for Disease Control and Prevention lab that handles bioterrorism agents. (AP Photo/Lauren Victoria Burke)
U.S. Department of Agriculture Associate Deputy Administrator, Jere Dick, testifies on Capitol Hill in Washington, Wednesday, July 16, 2014, before the House Oversight and Investigations subcommittee about an incident last month at a Centers for Disease Control and Prevention lab that handles bioterrorism agents. (AP Photo/Lauren Victoria Burke)
Centers for Disease Control (CDC) Director Dr. Thomas Frieden, joined by and Deputy Director of the CDC's Office of Security and Emergency Preparedness, Dr. Joseph Henderson, right, pauses during a hearing on Capitol Hill in Washington, Wednesday, July 16, 2014, before the House Energy and Commerce Committee. Frieden and Henderson answered questions about on an incident last month at a Centers for Disease Control and Prevention lab that handles bioterrorism agents. (AP Photo/Pablo Martinez Monsivais)
FILE - This undated file electronmicrograph from the official U.S. Department of Defense anthrax information Web Site shows Bacillus anthracis vegetative cells in a monkey spleen. Anthrax is an infectious disease caused by the spore-forming bacteria Bacillus anthracis. The Centers for Disease Control and Prevention said Thursday, June 19, 2014, that some of its staff in Atlanta may have been accidentally exposed to dangerous anthrax bacteria because of a safety problem at some of its labs. (AP Photo/Anthrax Vaccine Immunization Program, File)
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By David Morgan

(Reuters) - U.S. lawmakers said on Wednesday there was evidence of a "dangerous pattern" of safety lapses at government laboratories dealing with dangerous pathogens such as anthrax and avian flu that required a change in culture at the U.S. Centers for Disease Control and Prevention.

Members of a House Energy and Commerce Committee subcommittee cited new information on breaches previously unreported by CDC, which is under scrutiny for the potential exposure of more than 80 lab workers to live anthrax bacteria in June. No one has fallen sick due to the lapses.

The criticism, equally shared by Democratic and Republican lawmakers, was directed at CDC Director Dr. Thomas Frieden at a hearing. The repeated breaches at the CDC have sparked fresh concerns over the lack of independent oversight of potentially dangerous research nationwide, even as the number of labs doing such work has surged in recent years.

Frieden was pressed for answers on why the national public health institute was not prepared to report or prevent dozens of breaches identified by federal investigators, and whether its staff recognized the huge risk to the public if dangerous microbes were to escape its labs.

"A dangerous, very dangerous pattern is emerging and there are a lot of unknowns out there," Committee Chairman Fred Upton, a Michigan Republican, said at the hearing. "Why do these events keep happening?"

Frieden replied that the agency was instituting sweeping measures to improve internal controls on such research. It has already announced the closure of two labs responsible for the release of pathogens and suspended any sample transfers from all of its high-security labs.

"In hindsight, we realize we missed a crucial pattern: a pattern of incidents that reflect the need to improve the culture of safety at CDC," Frieden said.

In the case of the anthrax incident, Frieden reiterated that workers at a high-security CDC lab believed they had inactivated the bacteria before transferring samples to lower-security labs, where workers use less protective gear.

"Dr. Frieden, this is like saying I didn't know the gun was loaded, but somebody got shot," said Tim Murphy, chair of the Oversight and Investigations subcommittee. "But you should always assume it is. For someone to say, 'Well I didn't think the anthrax was live,' is unacceptable."

Federal investigators found dozens of safety and security problems at CDC labs handling dangerous pathogens in the 18 months prior to the release in June of live anthrax to a lab not equipped to work with it, according to a memo by Democratic committee members released on Wednesday.

The investigators, from the U.S. Department of Agriculture, found equipment failures, an inability to document staff training and missing signatures on required biosafety plans.

Other failures included unauthorized access to labs and improperly documenting entries and exits, posing risks to biosecurity, or the theft of potentially lethal microbes.

The findings stem from six inspections at the CDC's Atlanta campus between January 2013 and March 2014.

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