Antibody to hepatitis A antigen in institutionalized mentally retarded patients.

@article{Szmuness1977AntibodyTH,
  title={Antibody to hepatitis A antigen in institutionalized mentally retarded patients.},
  author={W Szmuness and Robert H. Purcell and Jules L. Dienstag and Cladd E. Stevens},
  journal={JAMA},
  year={1977},
  volume={237 16},
  pages={1702-5}
}
Institutionalized patients with Down syndrome and matched controls with other causes of mental retardation were tested by immune adherence hemagglutination for the presence of antibody to hepatitis A antigen (anti-HA). Altogether 75.1% (175 of 233) exhibited presence of anti-HA, with no differences by sex or age. Patients reactive for hepatitis B surface… CONTINUE READING