RT Journal A1 Stephenson J T1 H1n1 influenza analysis JF JAMA JO JAMA YR 2009 FD June 17 VO 301 IS 23 SP 2432 OP 2432 DO 10.1001/jama.2009.818 UL http://dx.doi.org/10.1001/jama.2009.818 AB Transmissibility of the H1N1 “swine flu” influenza strain causing the ongoing outbreak is substantially higher than that seen in seasonal influenza strains and may be comparable with that of pandemic influenza strains, according to an early analysis of the virus by an international team of scientists participating in the World Health Organization's Rapid Pandemic Assessment Collaboration (Fraser C et al. Science. doi:10.1126/science.1176062 [published online ahead of print May 11, 2009]).