Factors

Number

Poor or non- immunization n = 28

p

Age (months)

15 - 24

25 - 36

37 - 59

16

13

31

04

04

20

0.016

Sex

Female

Male

31

29

14

14

0.809

Vaccination protocol’s

03 doses of vaccine

03 dose of vaccine and a 4^th booster dose at 12 months

48

12

24

04

0.301

Nutritionnal status

Good

Poor

51

09

25

3

0.384

Mother infected by HIV or HBV

Oui

Non

04

56

02

26

0.970