Fig. 3: Evolution of a number of cases of IMD due to serogroup C per age group during the period 2016–2019. | npj Vaccines

Fig. 3: Evolution of a number of cases of IMD due to serogroup C per age group during the period 2016–2019.

From: Impact of mandatory vaccination against serogroup C meningococci in targeted and non-targeted populations in France

Fig. 3

Time-series analysis was used with the data expressed per quarter of each studied year. The data were expressed by the centred 3-months moving mean per age group. Age groups are indicated in different colours with the corresponding number of cases per year. The date of the implementation of mandatory vaccination is indicated by a grey box.

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