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Vaccination against meningococcus C. vaccinal coverage in the French target population
1Service de maladies infectieuses et tropicales, université 1 de Grenoble, CHU de Grenoble, BP 217, 38043 Grenoble, France. JPStahl@chu-grenoble.fr
Insights
Meningococcus C vaccine coverage in France was low in 2011, with only 32.3% of infants and 21.3% of teenagers vaccinated. This indicates a need to improve public health strategies for immunization programs.
Area of Science:
- Public Health
- Epidemiology
- Vaccinology
Background:
- Meningococcus C immunization was recommended in France in 2009 for infants and adolescents.
- Vaccine reimbursement began in January 2010, aiming to increase uptake.
- Assessing vaccine coverage was crucial to evaluate the policy's effectiveness.
Purpose of the Study:
- To evaluate the vaccine coverage for Meningococcus C in France in 2011.
- To determine the uptake of the Meningococcus C vaccine among infants and adolescents.
- To assess the impact of the reimbursement policy on vaccination rates.
Main Methods:
- A study included 3000 mothers of children aged 0-35 months and 2250 mothers of teenagers aged 14-16 years.
- Participants were recruited via internet panels, with quotas based on French National Institute of Statistics (INSEE) data.
- Mothers completed a questionnaire reporting their child's vaccinations from health records.
Main Results:
- Vaccination was considered essential or useful by over 90% of mothers for both age groups.
- Vaccine coverage was 32.3% for infants aged 12-23 months and 57.3% for those aged 24-35 months.
- Coverage was significantly lower for teenagers, with only 21.3% vaccinated.
Conclusions:
- Two years post-reimbursement, Meningococcus C vaccine coverage levels were substantially lower than anticipated for policy effectiveness.
- Low uptake in infants and particularly in teenagers suggests challenges in the immunization strategy.
- Further interventions are needed to improve Meningococcus C vaccination rates and achieve public health goals.
Unlabelled:
Immunization against meningococcus C has been recommended in France since 2009 (infants from 12 to 24 months of age, and catch up vaccination up to 25 years of age). It has been reimbursed since January 2010. We had for aim to assess the vaccine coverage in 2011.
Method:
The study population included mothers of children targeted by the recommendation. They were recruited using Internet data (quotas based on the French National Institute of Statistics (INSEE) data based on a census made in 2007) based on the Institut des Mamans panel and its partners. The mothers had completed a standardized questionnaire and reported all vaccinations mentioned in their child's health-record.
Results:
We included 3000 mothers of children, 0 to 35 months of age, (1000 for each of the following age range: 0-11 months, 12-23 months, 24-35 months), and 2250 mothers of teenagers, 14 to 16 years of age. Vaccination was deemed "essential/useful" for respectively 90.2% (CI 95%: 89.2-91.3) and 87.8% (CI 95%: 86.4-89.2) of mothers. Vaccine coverage levels were 32.3% (12-23 months), 57.3% (24-35 months), and 21.3% (14-16 years).
Comments:
Two years after the Ministry of Health's decision to reimburse this vaccine, vaccine coverage levels were much lower than they should have been, to expect effectiveness of the vaccination policy. Only 21.3% of teenagers had been vaccinated, and 32.3% of infants during the second year of life.
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