Abstract：
OBJECTIVES:India, with its 43 million hepatitis B virus (HBV) carriers and absence of any national immunization programme, adds a substantial number of HBV infections to the HBV carrier pool yearly. The aim of this study was to assess the spread of HBV infection in families with an infected member and to identify the family members with the highest risk of infection in our community. METHODS:A total of 937 serum samples from 215 HBV-infected cases and 722 members of their households were screened prospectively for markers of HBV by commercial enzyme-linked immunosorbent assay. RESULTS:Among family members, 140 (19.4%) were HBsAg positive and 272 (37.6%) were negative for HBsAg but positive for either anti HBc or anti HBs. There were 145 HBsAg-positive adults among the index cases whose 133 adult siblings, 59 spouses and 59 mothers participated in the study. Interestingly, 28.81% mothers and 28.57% adult siblings of these adult index cases were positive for HBsAg compared with only 8.75% of their spouses (P < 0.001). Only 15.2% of the HBsAg-positive women in the childbearing age group were found to be HBeAg positive. CONCLUSIONS:Our results suggest that intrafamilial childhood horizontal transmission is important for HBV transmission in our community, and highlight the need for screening of adult siblings and mothers of adult HBsAg carriers in addition to their spouses and children.
journal_name
Public Healthjournal_title
Public healthauthors
Chakravarty R,Chowdhury A,Chaudhuri S,Santra A,Neogi M,Rajendran K,Panda CK,Chakravarty Mdoi
10.1016/j.puhe.2004.09.007subject
Has Abstractpub_date
2005-07-01 00:00:00pages
647-54issue
7eissn
0033-3506issn
1476-5616pii
S0033-3506(04)00298-7journal_volume
119pub_type
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