Table 2.

Bacteriological findings in class 1 contacts (household members and kissing contacts)

Group	Contact	Total No	No (%) of carriers	No (%) of carriers with pathogenic strain
1	Father	37	9 (24)	5 (14)
2	Mother	37	9 (24)	6 (16)
3	Sister	21	2 (10)	1 (5)
4	Brother	29	6 (21)	4 (14)
5	Kissing	3	1 (33)	1 (33)
6	Others	18	9 (50)	1 (6)
All groups	—	145	36 (25)	18 (12)