CONTEXT:

• India has 2.9 million children who have missed out on the first dose of measles vaccine between 2010 and 2017 despite over 80% of immunisationcoverage.
• India, with its large annual birth cohort of 25 million, is followed by Pakistan and Indonesia – 1.2 million each.
• In 2017 Nigeria had the highest number of children under 1 year of age who missed out on the 1st dose of vaccine.