'Undernutrition is a primary contributor to death in 44.8% of childhood fatalities from measles.18 Malnourished children are more likely to develop complications of measles and have a higher case-fatality ratio,19 whereas measles infection can in turn worsen the nutritional status of children.'

https://pmc.ncbi.nlm.nih.gov/articles/PMC9651531/?fbclid=IwY2xjawI-0_FleHRuA2FlbQIxMAABHaTZkLUxlyB2fvJyWBOAgxJabVIlzMnd1HiGnwU-fQl2LdLyTOp6TrUtoA_aem_3XGVl4sTlxjX3kIDg3FVHw#:~:text=Undernutrition%20is%20a%20primary%20contributor,of%20childhood%20fatalities%20from%20measles.&text=Malnourished%20children%20are%20more%20likely,the%20nutritional%20status%20of%20children