I had my flu shot last year.  Why do I need to get it again for this season - especially since the vaccine is the same?

This is a question that is frequently asked!  Annual influenza vaccines are required for two reasons.  Some years the composition of the vaccine is changed to match the circulating strain of flu being identified in the laboratory.  That is not the case this year as the composition is the same as for the 2010-2011 seasonal vaccine, however, the duration of protection provided from the flu shot is generally 5 to 6 months in the healthy child/adult population.  So annual flu vaccine is required to provide optimal protection. 


Welcome to Soldiers' / Influenza Vaccine 2011

The 2011-2012 Influenza Vaccine includes the following strains:

  • A/California/7/2009(H1N1)-like
  • A/Perth/16/2009(H3N2)-like
  • B/Brisbane/60/2008(Victoria-lineage)-like

When the vaccine is a 'good match' to circulating strains, influenza vaccination has been shown to prevent influenza illness in approximately 70% to 90% of healthy children and adults and by about half that in the elderly (CCDR, September 2011 Vol 37)

There have been two new changes to the recommendations for influenza immunization this season:

  • Egg allergy is no longer a contraindication to receiving influenza immunization.  Speak with your health care provider regarding this change if you have an egg allergy
  • Children between 6 and 35 months of age can now be given a full dose of vaccine instead of the previously recommended half dose.  Children under the age of 9 years who are receiving thier first influenza immunization will still require 2 full doses.  Speak with your health care provider regarding this change in dosing and dosing schedule for children

A chart listing all ingredients in the 2011-2012 Influenza vaccine can be found here Component Chart


Orillia Soldiers' Memorial Hospital Staff Clinics

OSMH will be holding Influenza Immunization Clinics beginning the week of 31 October 2011.  These clinics are open to all staff, physicians, volunteers and students.  Proof of immunization forms will be provided on request.  The complete schedule can be accessed here  Clinic Schedule

OSMH staff, physicians, volunteers and students are reminded that they require proof of immunization if they receive influenza immunization at a community clinic or from their primary health care provider.  Proof of immunization forms should be forwarded to Occupational Health and Safety


Community Clinics

The Simcoe Muskoka District Health Unit will be offering public clinics throughout the region during the month of November 2011.  To book your appointment follow the link at  SMDHU Community Clinics

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