National Vaccination Coverage Survey, France, January 2011. Vaccination coverage against seasonal influenza in target groups and measurement of vaccine efficacy. Vaccination coverage with diphtheria-tetanus-polio (DTP) and pneumococcal vaccines among people aged 65 and older

The main objective of this survey was to measure influenza vaccination coverage for the 2010–2011 season among four target groups for this vaccination, and to assess the potential impact of the controversy surrounding the pandemic influenza vaccination campaign (2009–2010) on influenza coverage the following year (2010–2011). We also assessed diphtheria-tetanus-polio (dTP) and pneumococcal vaccination coverage among people aged 65 and older. We conducted a telephone survey using a two-stage simple random sampling method among the general population in January 2011. The sampling frame consisted of 70,000 telephone numbers potentially assigned to a user. Interviews were conducted using a computer-assisted telephone interviewing (CATI) system. A total of 1,083 people were included. Among those aged 65 and older, 44% were up to date on their decennial dTP booster, and 4.8% reported having been vaccinated against pneumococcal infections within the past 5 years. Influenza vaccination coverage was 71.0% among people aged 65 and older with underlying medical conditions, 57.8% among people aged 65 and older without underlying medical conditions, 46.6% among people under 65 with underlying medical conditions, and 27.6% among healthcare professionals. The presence of the pandemic strain A(H1N1)pdm09 in the seasonal vaccine was rarely (7%) a reason for not getting vaccinated. Vaccine efficacy in preventing severe forms of influenza was 72% among individuals aged 65 and older with underlying medical conditions and 80% among individuals under 65 with underlying medical conditions. Vaccination coverage was not significantly lower compared to the previous season, suggesting that the controversy surrounding the pandemic campaign had no impact. Our results differed from those of the CnamTS for the same flu season (between 5% and 10% lower than our point estimates). Nevertheless, both sources showed coverage rates below the 75% target in all target groups, underscoring the need to implement public health measures likely to improve vaccination coverage. (R.A.)

Author(s): Guthmann JP

Publishing year: 2011

Pages: 21 p.

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