RT Journal Article SR Electronic(1) A1 Editorial team, Collective YR 2005 T1 Study of 1918 influenza pandemic virus provides information on origin and virulence mechanisms JF Weekly releases (1997–2007) VO 10 IS 42 SP 2812 OP DO https://doi.org/10.2807/esw.10.42.02812-en UL https://www.eurosurveillance.org/content/10.2807/esw.10.42.02812-en