Why children are not vaccinated against measles: a cross-sectional study in two Nigerian States.

Background: Childhood vaccination rates in Nigeria are among the lowest in the world and this affects morbidity and mortality rates. A 2011 mixed methods study in two states in Nigeria examined coverage of measles vaccination and reasons for not vaccinating children.

Methods: A household survey covered a stratified random cluster sample of 180 enumeration areas in Bauchi and Cross River States.