title: Hepatitis B virus genotype D infection among antenatal patients attending a maternity hospital in Calcutta, India: assessment of infectivity status.
abstract: A seroepidemiological study was conducted to determine the hepatitis B virus carrier rate and infectivity status among antenatal patients in Calcutta. Fifteen of 400 antenatal mothers (3.74%) were carriers of HBV genotype D. Four (1.0%) of them were positive for HBeAg with a high risk of transmitting infection to their babies. The presence of precore mutant HBV, which has been associated with transmission events from HBeAg mothers to their babies, was not detected in any of the HBeAg negative mothers.
authors.affiliation: ICMR Virus Unit Kolkata, ID & BG Hospital Campus, Calcutta, India.
authors.forename: A
authors.initials: A
authors.lastname: Banerjee
authors.forename: R
authors.initials: R
authors.lastname: Chakravarty
authors.forename: P N
authors.initials: PN
authors.lastname: Mondal
authors.forename: M S
authors.initials: MS
authors.lastname: Chakraborty
mesh_terms: D015415:Biomarkers / Q000097:blood*; D002353:Carrier State / Q000821:virology*; D005260:Female; D006509:Hepatitis B / Q000097:blood / Q000453:epidemiology*; D006514:Hepatitis B Surface Antigens / Q000097:blood*; D006515:Hepatitis B virus / Q000235:genetics* / Q000302:isolation & purification*; D006771:Hospitals, Maternity / Q000706:statistics & numerical data; D006801:Humans; D007124:Immunoenzyme Techniques; D007194:India / Q000453:epidemiology; D018445:Infectious Disease Transmission, Vertical; D016133:Polymerase Chain Reaction; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000097:blood / Q000453:epidemiology* / Q000821:virology; D011296:Prenatal Diagnosis / Q000379:methods*; D016036:Seroepidemiologic Studies
chemical_list: D015415:Biomarkers; D006514:Hepatitis B Surface Antigens