Effect of Haemophilus influenzae type b vaccination without a booster dose on invasive H influenzae type b disease, nasopharyngeal carriage, and population immunity in Kilifi, Kenya: a 15-year regional surveillance study
Background: Haemophilus influenzae type b (Hib) conjugate vaccine, delivered as a three-dose series without a booster, was introduced into the childhood vaccination programme in Kenya in 2001. The duration of protection and need for a booster dose are unknown. We aimed to assess vaccine effectivenes...
Main Authors: | , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2016-03-01
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Series: | The Lancet Global Health |
Online Access: | http://www.sciencedirect.com/science/article/pii/S2214109X15003162 |