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Table 3 Number of children, adolescents and adults according to the combination of results for the detection of serologic markers for HB infection and interpretation of results

From: Hepatitis B serologic survey and review of immunization records of children, adolescents and adults in Fiji, 2008–2009

  Serologic markers Children(6 mos- < 5 yrs) Adolescents(16–20 yrs) Adults(21–49 yrs) Adolescents + Adults(16–49 yrs)  
Combination HBsAg anti-HBc anti-HBs      Interpretation [1,2]
1 - - - 8* 94 232 326 susceptible, never infected
2 + - - 0 4 4 8 early acute infection
3 + + - 0 3 6 9 acute or chronic infection
4 - + - 0 1 21 22 past infection or false positive (i.e. susceptible), or “low level” chronic infection
5 - + + 0 7 46 53 Past infection; recovered and immune
6 + - + 0 0 0 0 -------
7 - - + 424 15 59 74 Immune due to hepatitis B vaccine
8 + + + 0 0 2 2 Acute or chronic infection
Total     432 124 370 494  
  1. *Received complete series of immunization.