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10 May 2013

Candidate vaccine viruses for avian influenza A(H7N9) (WHO, May 10 2013, edited)

[Source: World Health Organization, full PDF document: (LINK). Edited.]

Summary of status of development and availability of avian influenza A(H7N9) candidate vaccine viruses

10 May 2013


[Parent virus - Candidate vaccine virus - Type of virus or reassortant - Developing institute - Available from]

  • A/Shanghai/2/2013, Synthetic HA&NA
    • IDCDC-RG32A* - Reverse genetics - CDC, USA - CDC, USA
    • NIBRG-267* - Reverse genetics - NIBSC, UK - NIBSC, UK
  • A/Anhui/1/2013
    • Wild type virus - WHO CCs
    • NIBRG-268* - Reverse genetics - NIBSC, UK - NIBSC, UK

* These are potential candidate vaccine viruses, i.e. full characterization and safety testing are not yet finished and must be handled under BSL3 containment.

Institutes contact details for candidate vaccine viruses orders/information:


For general enquiries, please contact

For other candidate vaccine viruses and potency testing reagents, please go to