A method for evaluating an infection risk includes calculating a first infection risk value, which indicates a degree of an infection risk that a child is infected with an infectious disease, on the basis of infection information regarding family members, prevalence information regarding the infectious disease in organizations to which the family members belong, and one or more first infection risk coefficients, which are obtained by expressing infection risks between the child and the family members in numbers (S106), calculating, on the basis of the first infection risk value, a second infection risk value, which indicates a degree of the child's infection risk of being infected with the infectious disease in a group at a children's facility to which the child belongs (S107), and performing first evaluation, in which the infection risk that the child is infected with the infectious disease is evaluated on the basis of the first infection risk value (S108), and second evaluation, in which the child's infection risk of being infected with the infectious disease in the group is evaluated on the basis of the second infection risk value (S109).
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