The data on the eligible populations for the school-based program were submitted annually by DHAs to the Department of Health and Wellness. [...] HPV Hepatitis B Dose 1 # eligible students who received a dose of the # eligible students who received a dose of the vaccine in the specified school year. [...] Dose 2 # of eligible students who received another # eligible students who received another dose of the vaccine >27 days after the first dose of the vaccine >27 days after the first dose, in the specified school year. [...] Tdap coverage rates in Nova Scotia, 2008/2009 to 2011/2012* *For the 2008/2009 school year the immunization schedule varied slightly in DHAs 7 & 8; the 14-16 year old cohort were immunized in the 2007/2008 school year and therefore not captured in this analysis. [...] With the exception of the 2009/2010 school year the majority (7 of 9) of DHA’s had coverage rates close to ninety percent or above.