Variables

N (%) Wave 1

N (%) Wave 2

N (%) Wave 4

Sickle cell anemia

1 (3.4)

0 (0)

1 (10)

Asthma

0 (0)

6 (4.8)

0 (0)

Prematurity

0 (0)

2 (1.6)

0 (0)

Diabetis

0 (0)

1 (0.8)

0 (0)

Heart disease

1* (3.4)

1** (0.8)

1*** (10)

G6PD deficiency

1 (3.4)

1 (0.8)

0 (0)

HIV

1 (3.4)

0 (0)

1 (10)