Hepatitis A virus among natives and expatriates in Saudia Arabia.
D006506:Hepatitis A / Q000453:epidemiology*; D006508:Hepatitis Antibodies / Q000032:analysis*; D006507:Hepatovirus / Q000276:immunology; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis; D012529:Saudi Arabia / Q000208:ethnology
D006508:Hepatitis Antibodies; D007074:Immunoglobulin G