Bragstad, K <br/><br/>
Low vaccine effectiveness against influenza A(H3N2) virus among elderly people in Denmark in 2012/13--a rapid epidemiological and virological assessment.  [electronic resource] 

 -  Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin  Feb 2013 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1560-7917 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Aged, 80 and over<br/>Case-Control Studies<br/>Denmark--epidemiology<br/>Female<br/>Hemagglutination Inhibition Tests<br/>Humans<br/>Influenza A Virus, H3N2 Subtype--genetics<br/>Influenza Vaccines--administration & dosage<br/>Influenza, Human--diagnosis<br/>Male<br/>Outcome Assessment, Health Care<br/>Population Surveillance<br/>RNA, Viral--genetics<br/>Real-Time Polymerase Chain Reaction<br/>Reverse Transcriptase Polymerase Chain Reaction<br/>Sequence Analysis, DNA<br/>Sex Distribution