Table 2.

Immunisation status of children aged 10–23 months in project districts in Sierra Leone

	Survey districts
	Bombali n/N (%); [95% CI]	Tonkolili n/N (%); [95% CI]	Port Loko n/N (%); [95% CI]	Survey area n/N (%); [95% CI]
Fully immunised (according to WHO definition)1	228/288 (79.2); [71.6–85.2]	118/168 (70.2); [59.8–78.9]	128/264 (48.5); [41.2–55.8]	474/720 (65.8); [60.3–71.0]
Fully immunised (all age-appropriate vaccines from birth to 9 months following Sierra Leone’s EPI schedule)2	193/288 (67.0); [59.4–73.8]	87/168 (51.8); [40.6–62.8]	112/264 (42.4); [35.2–50.0]	392/720 (54.4); [49.1–59.7]
Partially immunised (according to WHO definition)1	59/288 (20.5); [14.5–28.1]	50/168 (29.8); [21.1–40.2]	123/264 (46.6); [39.5–53.8]	232/720 (32.2); [27.4–37.5]
Partially immunised (some but not all age-appropriate vaccines from birth to 9 months following Sierra Leone’s EPI schedule)2	94/288 (32.6); [25.8–40.3]	81/168 (48.2); [37.2–59.4]	139/264 (52.7); [45.5–59.7]	314/720 (43.6); [38.5–48.8]
Unimmunised (zero-dose)	1/288 (0.4); [0.05–2.4]	0/168 (0.0)	13/264 (4.9); [2.7-9.0]	14/720 (1.9); [1.0-3.7]

¹ WHO definition of a fully immunised child: a child who received 1 dose of bacille de Calmette-Guérin (BCG) vaccine for tuberculosis, 3 doses of oral polio vaccine (OPV), 3 doses of pentavalent vaccine and 1 dose of measles-containing vaccine (MCV). Partially immunised: defined as a child who received at least one but not all the previously listed vaccines

² Following Sierra Leone’s national EPI schedule, a fully immunised child received all vaccines scheduled from birth to 9 months. In addition to the previously listed vaccines, this child received a birth dose of OPV, three doses of pneumococcal vaccine, two doses of rotavirus vaccine, one dose of inactivated poliovirus vaccine and one dose of yellow fever vaccine. Partially immunised: defined as a child who received at least one but not all recommend vaccines following this schedule