Table 2.

Rubella outbreak attack rates, Yeka Sub-city, Addis Ababa, Ethiopia: 8 February − 20 April, 2018

Variable	Number of cases	population	Attack rate (%)
Age group
3–5	45	275	16.36
5–8	13	256	5.08
Total	58	531a	10.92
Sex
Male	26	279	9.32
Female	32	252	12.70
Total	58	531a	10.92
Grades
PKG	36	247	14.57
LKG	16	154	10.39
UKG	6	130	4.62
Total	58	531a	10.92
Student size in the class
25–35	22	221	9.95
36–39	32	268	11.94
40–42	4	42	9.52
Total	58	531a	10.92

^a refers to total students in PKG and KG excluding 1-10 grade students