From: Immunization coverage and risk factors for failure to immunize within the Expanded Programme on Immunization in Kenya after introduction of new Haemophilus influenzae type b and hepatitis b virus antigens
Age of child§
Dose of vaccine
6 weeks
10 weeks
14 weeks
18 weeks
12 months
Dose 1
22%
73%
85%
90%
93%
Dose 2
0
15%
63%
81%
91%
Dose 3
9%
50%
87%