E-alert 13 April: Worldwide laboratory distribution of influenza A/H2N2 virus similar to 1957-58 pandemic strain, labs asked to destroy all samples immediately
Editorial team, Collective and Meijer, A and Brown, C S and Paget, W J, Weekly releases (1997–2007), 10, 2681 (2005), https://doi.org/10.2807/esw.10.15.02681-en