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  • Title: [Long-term experience with testing family and sexual contacts of HBsAg positive persons].
    Author: Pazdiora P, Böhmová Z, Kubátová A, Menclová I, Morávková I, Průchová J, Prechová M, Spácilová M.
    Journal: Epidemiol Mikrobiol Imunol; 2006 Apr; 55(2):53-8. PubMed ID: 16617841.
    Abstract:
    UNLABELLED: The study objectives were to identify HBsAg positive persons and to offer free vaccination against the infection to their family and sexual contacts found negative in screening for viral hepatitis B (VHB) postinfection markers. MATERIAL AND METHODS: Any person testing HBsAg positive in the Plzen region was registered in cooperation with laboratories. The collected data included reason for testing, clinical diagnosis and ethnicity. Contacts were screened for postinfection markers and vaccinated. RESULTS: Between 1997 and 2004, 939 HBsAg positive persons were registered by laboratories in the Plzen region. Their mean age was 42.2 (0-90) years. As many as 63.4 % of the infected persons appeared to be "healthy" carriers. Nevertheless, a significant upward trend in HBsAg positivity was recorded among immigrants (mainly those from Vietnam). Altogether 18.2 % of 829 family and sexual contacts tested positive for VHB postinfection markers (HBsAg, anti-HBc). The highest percentages of infected contacts were detected among siblings and parents of HBsAg positive persons (36.5 % and 27.3 %, respectively). Free vaccination has been requested by 82.2 % of susceptible contacts. CONCLUSION: Systematic vaccination of family and sexual contacts of HBsAg positive persons can contribute to more rapid VHB elimination in the Czech Republic. Currently, special attention in detecting infected persons is to be paid to immigrants from Asia.
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