RT Journal Article SR Electronic(1) A1 Karcher, F A1 Guglielmetti, P A1 Ciotti, M YR 2004 T1 Avian influenza in Asia: update from the Health Threats Unit at DG SANCO, European Commission JF Weekly releases (1997–2007) VO 8 IS 5 SP 2374 OP DO https://doi.org/10.2807/esw.08.05.02374-en UL https://www.eurosurveillance.org/content/10.2807/esw.08.05.02374-en