Table 1.

Incidence rates of serogroup B cc162 IMD in the hyperendemic area and of serogroup B IMD in mainland France without the department Côtes-d’Armor, during 52 weeks (21/04/2016 to 20/04/2017)

	Hyperendemic area			Mainland France (without Côtes-d’Armor)
Age group	Population	Number of B cc162 IMD cases	Incidence/100000 inhabitants	Population	Number of B IMD cases	Incidence/100000 inhabitants
0–4	3797	0	–	3,805,273	78	2.0
5–9	4057	0	–	3,890,742	18	0.5
10–14	3806	1*	26.3	3,884,039	11	0.3
15–19	3188	3	94.1	3,795,725	22	0.6
20–49	21,313	0	–	24,225,556	45	0.2
≥50	26,756	0	–	23,499,232	38	0.2
10–19	6994	4	57.2	7,679,764	33	0.3
All ages	62,917	4	6.4	63,100,567	212	0.3

*The two co-primary cases were considered as one episode for epidemiological analyses