After the research came out, immunisation rates fell below 80%.
But there are pockets of Australia where immunisation rates are much lower than this.
"You're riding on the immunisation rates in your community," he said.
Over the past five years, global immunisation rates have increased by only about 1%.
Duflo recognised a problem: low immunisation rates, as low as 2% in greater Udaipur.
"Generally, immunisation rates in this country are high so this [outbreak] will burn itself out".
Since 2007, infant deaths have fallen by two-thirds and child immunisation rates increased by 25%.
Immunisation rates have fallen and babies are not being vaccinated against TB or pneumonia, they say.
The UN Children's Fund (Unicef) said the government was kicking off a measles prevention campaign because of low immunisation rates.
School enrolment has increased by 17% and immunisation rates – now above the national rate – continue to be a major success.
A fall in immunisation rates has led to steep rises in measles in France, Italy and elsewhere.
