Millions of Nigerian children under the age of five are at risk of contracting preventable diseases due to limited reach of immunization campaigns. A recent survey conducted by the Nigerian government shows only one out of every four children has received mandatory vaccinations. CGTN's Kelechi Emekalam has more Subscribe to us on YouTube: http://ow.ly/Zvqj30aIsgY Follow us on: Facebook: / cgtnafrica Twitter: / cgtnafrica