Update: Destruction of Influenza a (H2N2) Proficiency Testing Samples; Interim Guidance for Biosafety Level 3-Enhanced Biocontainment for Work with Human Influenza a (H2N2) Viruses [Tuesday, May 03, 2005, 0:10 EDT (12:10 PM EDT)]

Details

• Alternative Title:
  Destruction of influenza A (H2N2) proficiency testing samples ; Interim guidance for Biosafety Level 3-enhanced biocontainment for work with human influenza A (H2N2) viruses
• Corporate Authors:
  Centers for Disease Control and Prevention (U.S.). Health Alert Network (HAN)
• Description:
  Tuesday, May 03, 2005, 0:10 EDT (12:10 PM EDT)
  
  CDCHAN-00229-2005-05-03-UPD-N
  
  All influenza A (H2N2) samples that were prepared by a private contractor laboratory and distributed to laboratories and health care facilities in 18 countries as part of influenza proficiency testing panels have been accounted for and are reported by the proficiency testing organizations that sent out the panels as being destroyed. The organizations received written confirmations of destruction from their client laboratories that received these samples. The U.S. Department of Health and Human Services (HHS), the Centers for Disease Control and Prevention (CDC), and the World Health Organization (WHO) are continuing follow up investigations to evaluate the cause of the incident and determine how best to prevent similar incidents from occurring in the future.
  
  As of May 3, 2005, there have been no confirmed reports of H2N2-related illness associated with possible exposure to the proficiency testing samples. CDC and other public health agencies will continue to follow up reports of possible cases of influenza-like illness among laboratory workers occurring after working with the samples that contained H2N2. See the Health Alert Network (HAN) notice of April 15 (available on the CDC website at http://www.cdc.gov/flu/h2n2situation.htm) for more information about these follow-up procedures. CDC and HHS are also in touch with foreign governments and WHO regarding investigations of any reports of possible H2N2-related influenza-like illness worldwide.
  
  As reported in the HAN notices of April 13 and April 15, the influenza A (H2N2) samples were included in laboratory proficiency testing panels distributed to U.S. and international laboratories from October 2004 through March 2005. Following full characterization of the influenza A isolate submitted to Canadian public health authorities, investigators recognized the virus in the proficiency testing kits as an influenza A (H2N2) virus that closely resembled the viruses circulating in 1957 and 1958; influenza A (H2N2) is a virus that has not circulated among humans since 1968. Because of the potential public health risk associated with this virus, public health agencies, including WHO, HHS, and CDC, recommended immediate destruction of all the proficiency test samples to prevent reintroduction of the strain.
  
  Certification of the destruction of the H2N2 samples contained in the proficiency testing kits effectively ends the immediate risk associated with the distribution of these kits, but it is only the first step of the public health response. CDC has formed a multi-agency task force that will conduct an extensive investigation into the circumstances that led to the H2N2 samples being included in the proficiency testing kits. It is expected that the findings of the task force will be used to help improve the proficiency testing system and prevent an occurrence of a similar event in the future.
  
  
• Content Notes:
  Notice of Possible Alert Expiration: The CDC Health Alert, Advisory, Update, and Info Service announcements, distributed by the Health Alert Network (HAN), were active on the date they were originally published. Publication dates have been added to Titles for clarity. A CDC Health Alert, Advisory, Update, and Info Service announcement may expire at any time. They may also be updated or superseded according to later developments. None of the CDC Health Alert, Advisory, Update, or Info Service announcements in the Stacks HAN Collection should be assumed to be current or active. Stacks preserves HAN announcements in order to maintain a record of past CDC actions. Stacks in not designed for up-to-the-minute notifications. For the list of current CDC Health Alert, Advisory, Update, or Info Service announcements, patrons should visit the Health Alert Network (HAN) webpage at https://www.cdc.gov/han/php/about/index.html. For up to the minute reports, subscribe to the HAN email alert system hosted by CDC News & Updates at https://tools.cdc.gov/campaignproxyservice/subscriptions.aspx?topic_id=USCDC_486
  
  Categories of Health Alert Network (HAN) messages:
  
  Health Alert: Requires immediate action or attention, highest level of importance.
  
  Health Advisory: May not require immediate action; provides important information for a specific incident or situation.
  
  Health Update: Unlikely to require immediate action; provides updated information regarding an incident or situation.
  
  HAN Info Service: Does not require immediate action; provides general public health information.
  
  
• Subjects:
  Biohazard Release/prevention & Control Containment Of Biohazards Influenza, Human Influenza A Virus, H2N2 Subtype Influenza In Birds Laboratories Occupational Exposure/prevention & Control Occupational Health/standards
• Keywords:
  HAN Health Alert Network
• Source:
  HAN ; 229
• Series:
  Health Alert Network
• Subseries:
  CDC Health Update
• Publisher:
  Centers for Disease Control and Prevention (CDC) (U.S.)
• Document Type:
  Text
• Genre:
  Alert
• Rights:
  Public Domain
• Pages in Document:
  2 unnumbered pages
• Issue:
  00229
• Collection(s):
  Health Alert Network (HAN)
• Main Document Checksum:
  urn:sha-512:8eba92115c136f6681bc043cede77cbbd6114f7063535e5e9935c315817a0f45dac6d61ba8be50bb7492451f3bb6d9fec791cd7089296131c1461a8a01a972b1
• Download URL:
  https://stacks.cdc.gov/view/cdc/25140/cdc_25140_DS1.pdf
• File Type:
  [PDF - 844.75 KB ]