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Respiratory syncytial virus infection risk factors in the first year of life in study of RSV among healthy term infants, United States. Adjusted odds ratios were estimated using multivariable logistic regression, referent is October birth month. Dots indicate odds ratio and horizontal line 95% CI. Dashed vertical line indicates the null effect. Asterisk indicates residence in a census tract with increasing percentage of people below the poverty level (interquartile range difference).
