In response to the 2009 H1N1 influenza outbreak, NCBI provided a new web page as part of the NCBI Influenza Virus Resource (described below) that allows direct access to all H1N1 sequences as they are submitted (www.ncbi.nlm.nih.go/genomes/FLU/SwineFlu.html). From this page, users can download all available sequences (currently 5000) in a single batch. In addition, NCBI has created a record in the Projects database (project ID 37813) to centralize all data related to the H1N1 influenza virus.
