News & Perspective

Apr 29, 2008

Apr 29, 2008

HHS adds H5N1 clade 2.2 vaccine to stockpile

(CIDRAP News) – The US Department of Health and Human Services (HHS) has accepted the first batch of H5N1 avian influenza vaccine based on the H5N1 variant known as clade 2.2, which has spread most widely across Asia, Europe, and Africa.