Hepatitis A virus infection: new insights from seroepidemiologic studies.

  title={Hepatitis A virus infection: new insights from seroepidemiologic studies.},
  author={Jules L. Dienstag and W Szmuness and Cladd E. Stevens and Robert H. Purcell},
  journal={The Journal of infectious diseases},
  volume={137 3},
The prevalence of exposure to hepatitis A virus (HAV) increases with increasing age; decreases with increasing socioeconomic class; increases with increasing serologic evidence of prior hepatitis B virus (HBV) exposure but is much more common than HBV exposure; is independent of sex and race; varies in different parts of the world as a function of hygienic, developmental, and unrecognized geographic factors; and is not affected by immune deficiency or immaturity. Transmission of type A… CONTINUE READING
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