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. 2017 May 12;15(6):545–568. doi: 10.1080/14787210.2017.1295847

Textbox 2.

The ViVI Risk Factor Score.

The ViVI Risk Factor (RF) Score
RF 1: Infant <2 years of age
RF 2: Pulmonary condition
RF 3: Cardiac condition
RF 4: Diabetes
RF 6: Obesity
RF 7: Other metabolic condition
RF 8: Chronic renal disease
RF 9: Chronic hepatic disease
RF 10: Chronic neurological conditions
RF 11: Hemoglobinopathies
RF 12: Congenital immunosuppression
RF 13: Acquired immunosuppression
RF 14: Aspirin therapy
RF 15: Pregnancy
RF 16: Prematurity <33 weeks gestational age