Article

The prevalence of ay and ad subtypes of the hepatitis B surface antigen in Belgium.

Infection (impact factor: 2.66). 02/1978; 6(1):2-4. pp.2-4
Source: PubMed

ABSTRACT Subtyping in various groups of persons positive for hepatitis B surface antigen gave the following results: Among asymptomatic blood donors (healthy carriers) subtype ad was found in 20, subtype ay in 24. Among symptomatic patients with acute hepatitis B ad was found in 25, ay in 29. Among patients of an institution for the mentally retarded ad was found in 9, ay in 23. Among patients of a Among patients of a geriatric institution ay was found in 9; among medical personnel of the same geriatric institution ay was found in 3 persons. Among symphilis patients ad was found in 6, ay in 29; and in patients of a dialysis centre ay was found in 6. These data show that neither subtype is really dominant in Belgium.

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Keywords

3 persons
 
acute hepatitis B ad
 
asymptomatic blood donors
 
dialysis centre ay
 
geriatric institution ay
 
healthy carriers
 
hepatitis B surface antigen
 
patients
 
persons positive
 
retarded ad
 
subtype
 
subtype ay
 
Subtyping
 
symphilis patients ad
 
symptomatic patients
 
various groups
 

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