Charity Science Health

Increasing child vaccination rates by providing appropriate nudges to families


Every year 90 lakh infants in India do not complete their immunisation schedule. Charity Science Health makes sure children across India get vaccinated by giving mothers a mobile nudge when their children are due for immunisation. Text message reminders are a proven, low-cost, and scalable solution. After enrolling 3 lakh families, they now leverage government infrastructure to automatically enrol families for reminders when mothers in Bihar and Maharashtra attend prenatal checkups with government nurses or deliver a child at government clinics.


Katriel Friedman

Katriel, before founding Charity Science Health, worked at The World Bank Group and The Center for Global Development. His work as an impact evaluator was spread across healthcare, education, and agriculture. Katriel holds a Master’s in Public Administration in International Development from Harvard University.


North India

Our lives begin to end the day we become silent about things that matter.


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