2nd edition . This Framework applies to the sharing of H5N1 and other influenza viruses with human pandemic potential and the sharing of benefits. This Framework does not apply to seasonal influenza viruses or other non-influenza pathogens or biological substances that may be contained in clinical specimens shared under this Framework This second edition of the Pandemic Influenza Preparedness (PIP) Framework reflects an amendment to Annex 2, Standard Material Transfer Agreement 2, Footnote 1, that was adopted by the Seventy-second World Health Assembly in May 2019.The amendment clarifies that, under certain circumstances, the indirect use of PIP Biological Materials will require the conclusion of an SMTA2. The amendment is in effect from the closure of the Seventy-second World Health Assembly (28 May 2019).