April 2009: an outbreak of swine-origin influenza A(H1N1) virus with evidence for human-to-human transmission.[J].Nadia Naffakh;Sylvie van der Werf.Microbes and Infection.2009, 8
April 2009: an outbreak of swine-origin influenza A(H1N1) virus with evidence for human-to-human transmission.[J].Nadia Naffakh;Sylvie van der Werf.Microbes and Infection.2009, 8