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栄養失調が原因と書いてあるが

https://indianexpress.com/article/world/no-longer-hidden-victims-children-are-dying-as-virus-surges-in-indonesia-7423421/

Health experts said a number of factors contributed to the high number of deaths among children. Some could be vulnerable to the virus because of underlying health conditions such as malnutrition, obesity, diabetes and heart disease.