Statistics from Altmetric.com
Influenza A (H1N1) viruses have been widely found in different species, hence different strains have been demonstrated to infect various species such as birds, pigs and humans. During this year a new influenza virus has recently emerged from a reassortment between triple reassortant swine virus and the Eurasian influenza A swine virus lineage.1 Since the World Health Organisation’s declaration of a new pandemic, the virus has continued to spread to different countries, with a higher number of cases in North and South America, of which Chile has emerged as one of the most affected countries worldwide2 (fig 1).
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.