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Weight (A), length (B), and head circumference (C) z-scores from birth to 1–8 months of age among infants with probable congenital Zika virus syndrome, Sao Luís, Brazil, 2015–2016. The thick black line depicts the mean z-score at birth and the mean rate of change in the z-score over time, estimated in a random-intercept multilevel linear regression model.
