ECDC risk assessment: 2009 influenza A(H1N1) pandemic (Update 6 November 2009)
This update of ECDC pandemic risk assessment for Europe is based on data and analyses available in early November 2009. It draws on the experience in European countries, North America and the Southern Hemisphere’s temperate countries, which have already passed through a winter with the new virus.
ECDC rapid risk assessment: Human cases of swine influenza without apparent exposure to pigs, United States and Mexico
On April 21, the United States reported on the existence of 2 human cases of swine influenza A (H1N1) infection. On 23 April, through intensified surveillance efforts, a total of 7 confirmed human cases of swine influenza A (H1N1) infection, were reported.
Risk assessment: Swine-origin triple reassortant influenza A(H3N2) viruses in North America
CDC has reported recent infections in children in North America with a swine-origin triple reassortant influenza A(H3N2) virus that includes a genetic component from the pandemic 2009 virus, and with probable human-to-human transmission with these viruses.