Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/132527
Title: Horizontal or vertical transmission of hepatitis B virus? A serological survey in family members of hepatitis B carriers in Singapore
Authors: Tan, C.C. 
Guan, R. 
Yap, I. 
Tay, H.H. 
Kang, J.Y. 
Issue Date: Sep-1991
Source: Tan, C.C., Guan, R., Yap, I., Tay, H.H., Kang, J.Y. (1991-09). Horizontal or vertical transmission of hepatitis B virus? A serological survey in family members of hepatitis B carriers in Singapore. Transactions of the Royal Society of Tropical Medicine and Hygiene 85 (5) : 656-659. ScholarBank@NUS Repository.
Abstract: Hepatitis B serology was performed on 270 family members of 78 hepatitis B carriers and hepatitis B e antigen status determined in those found to be HBsAg positive. The mean age of index patients was 38 years (range 3-74) and that of family members was 28 years (range 1-71). 67 family members (25%) were HBsAg positive. The proportions of family members positive for HBsAg and those negative for HBsAg but positive for anti-HBs and/or anti-HBc were 25% and 20% for children, 10% and 68% for spouses, 36% and 26% for siblings and 29% and 55% for parents. For children of index parents the proportions positive for HBsAg and those negative for HBsAg but positive for anti-HBs and/or anti-HBc were similar whether the index patient was the mother (24% and 24%) or the father (26% and 18%). Our results suggest that horizontal transmission is a significant mode of spread of hepatitis B within the family in Singapore. © 1991.
Source Title: Transactions of the Royal Society of Tropical Medicine and Hygiene
URI: http://scholarbank.nus.edu.sg/handle/10635/132527
ISSN: 00359203
Appears in Collections:Staff Publications

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