economics Practical Magic

A simple vaccine for diarrhea is actually one of the best ways to stop kids from suffering from lifelong malnutrition and stunting.

March 26, 2026

Original Paper

Impact of Rotavirus Vaccine on Malnutrition Among Children in India—Breaking Vicious Cycle of Diarrhea: A Cross-Sectional Analytical Study

Pritu Dhalaria, Pawan Kumar, Sanjay Kapur, Ajay Kumar Verma, Ajeet Kumar Singh, Pretty Priyadarshini, Kapil Singh, Bhupendra Tripathi, Arindam Ray

SSRN · 6442900

The Takeaway

While we often treat malnutrition as a lack of food, this study in India shows that the 'vicious cycle' of rotavirus infections prevents nutrient absorption. Giving the vaccine does as much for a child's height and weight as many direct food interventions.

From the abstract

Malnutrition among children remains a significant public health concern in countries with stunting, wasting, and underweight as key indicators. Rotavirus accounts for approximately 40% of moderate to severe diarrhea cases in children under five, highlighting the potential role of rotavirus vaccination in mitigating diarrhea-associated malnutrition. This study investigated the association between the Rotavirus vaccine (RVV) and malnutrition among children in India. The study examined the National