Table 2 Patterns of vaccine administration in the rotavirus vaccinated cohort

First dose

n = 24,723

n = 53,558

  Week of age at vaccination (median; IQR)

9 (9–11)

9 (9–10)

  Dose administration >12 weeks^a (n; %)

5,263 (21%)

6,515(12%)

Second dose

n = 21,119

n = 44,995

  Week of age at vaccination (median; IQR)

18 (17–19)

17 (15–18)

  Dose administration >24 weeks^b (n; %)

1,172 (6%)

-

  1^st - 2^nd dose interval in weeks (median; IQR)

9 (8–9)

8 (5–9)

  1^st - 2^nd dose interval 22–27 days (n; %)

213 (1%)

1,162 (3%)

Third dose

-

n = 34,865

  Week of age at vaccination (median; IQR)

-

26 (19–27)

  Dose administration >32 weeks^c (n; %)

-

179 (1%)

  2^nd – 3^rd dose interval in weeks (median; IQR)

-

8 (5–9)

  2^nd – 3^rd dose interval 22–27 days (n; %)

-

1,338 (4%)