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. 2019 Nov 5;19:933. doi: 10.1186/s12879-019-4583-1

Table 5.

the relationship between index cases and household contacts

Relationship Frequency %
Grand parents 158 27.2
Parents 267 46.0
Bother/Sister 91 15.6
Uncle/Aunt 64 11.0
Other (a neighbor who usually close contact with case index) 1 0.2