Content about Influenza A virus subtype H1N2

June 12, 2012

CDC: 2011-2012 influenza season lowest on record

The 2011-2012 influenza season was one of the mildest and latest seasons on record, according to a report from the Centers for Disease Control and Prevention.

ATLANTA — The 2011-2012 influenza season was one of the mildest and latest seasons on record, according to a report from the Centers for Disease Control and Prevention.

The peak percentage of outpatient visits for influenza-like illnesses of 2.4% was the lowest reported since the system began in its current format in 1997. The peak percentage of visits for ILI during those 14 seasons ranged from 3.2% for the 2002-2003 season to 7.7% during the 2009 H1N1 pandemic.

January 24, 2011

CDC issues report on flu activity in the United States

Influenza activity in the United States decreased across several indicators, the Centers for Disease Control and Prevention reported Friday, though the agency projected that illness rates for the season have not yet peaked.

ATLANTA — Influenza activity in the United States decreased across several indicators, the Centers for Disease Control and Prevention reported Friday, though the agency projected that illness rates for the season have not yet peaked.

Of all influenza A viruses tested since Oct. 30, 2010, only 15.8% were identified as the 2009 H1N1 virus; 44.6% of the specimens were identified as an H3N2 virus. That virus is similar to the H3N2 component of the 2010-2011 triumvirate influenza vaccine.