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U.S. Department of Health and Human Services


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Historical Information on Relenza (zanamivir)

 For current information on Relenza, see Relenza (zanamivir) information.

The information previously contained on these web pages was authorized under the 2009 H1N1 Influenza Emergency Use Authorizations (EUAs). As of June 23, 2010, the EUAs authorizing the unapproved uses of zanamivir and oseltamivir phosphate have been terminated and will no longer be in effect. The following historical information is no longer current.

The information contained on this web page was related to communications reagarding the 2009 H1N1 flu pandemic. The following information may no longer be applicable after the end of the pandemic.



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