Kwong, Jeffrey C <br/><br/>
The impact of repeated vaccination using 10-year vaccination history on protection against influenza in older adults: a test-negative design study across the 2010/11 to 2015/16 influenza seasons in Ontario, Canada.  [electronic resource] 

 -  Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin  01 2020 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1560-7917 
<br/><br/><label>Standard No.: </label>10.2807/1560-7917.ES.2020.25.1.1900245  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Aged, 80 and over<br/>Female<br/>Humans<br/>Immunization, Secondary<br/>Influenza A Virus, H1N1 Subtype<br/>Influenza A Virus, H3N2 Subtype<br/>Influenza Vaccines--administration & dosage<br/>Influenza, Human--epidemiology<br/>Male<br/>Ontario--epidemiology<br/>Outcome Assessment, Health Care<br/>Seasons<br/>Time Factors<br/>Vaccination--statistics & numerical data