Add to ORKGJune 18, 2010, 5:00 PMThe final CDC influenza activity report for the 2009-10 flu season was published on May 28, 2010. While influenza surveillance takes place year-round, official reporting (FluView publication) routinely happens between October and May to coincide with normally occurring influenza activity in the United States. Unless unusual influenza activity occurs over the summer of 2010, surveillance reports for all influenza viruses for the 2010-2011 season will resume in October 2010 and appear on the seasonal influenza website.The 2009 H1N1 web pages, including situation updates, will be archived for historical purposes.2010Human Influenza A (H1N1), 2009830