References
- Dienstag J L, Szmuness W, Stevens C R, Purcell R H. Hepatitis A virus infection: New insights from seioepidcmiologic studies. J Infect Dis 1978; 137: 328–340
- Tsega H, Mengesha B, Hansson B G, Lindberg J, Nordenfelt E. Hepatitis A, B and delta infection in Ethiopia. A serologic survey with demographic data. Am J Epidemiol 1986; 123: 344–351
- Szmuness W, Dienstag J L, Purcell R H, Stevens C E, Wong D C, Ikram H, Bar-Shany S, Beasley R P, Desmyter J, Gaon J A. The prevalence of antibody to hepatitis A antigen in various pans of the world: A pilot study. Am J Epidemiol 1977; 106: 392–398
- Viliarejos V M, Provost P J, Ittensohn O L, McLean A A, Hilleman M R. Seroepidemiologic investigations of human hepatitis caused by A, B and a possible third virus. Proc Soc Exp Biol Med 1976; 152: 524–528
- Maynard J E, Bradley D W, Hornbeck C L, Fields R M, Doto J L. Preliminary serologic studies of antibody to hepatitis A virus in populations in the United States. J Infect Dis 1976; 134: 528–530
- Lemon S M. Type A viral hepatitis: New developments in an old disease. N Engl J Med 1985; 313: 1059–1067
- Hadler S C, Webster H M, Erben J J, Swanson J E, Maynard J E. Hepatitis A in day-care centers: A community-wide assessment. N Engl J Med 1980; 302: 1222–1227
- Benenson M W, Takafuji E T, Bancroft W H, Lemon S M, Callahan M C, Leach D A. A military community outbreak of hepatitis type A related to transmission in a child care facility. Am J Epidemiol 1980; 112: 471–481
- Lednar W M, Lemon S M, Kirkpatrick J W, Redfield R R, Fields M L, Kelley P W. Frequency of illness associated with hepatitis A virus infection in adults. Am J Epidemiol 1985; 122: 226–233
- Bassily S, Hyams K C, El-Ghorab N M, Ansari A A, Fanous A S. Acute sporadic hepatitis in adults living in Cairo, Egypt. Am J Trap Med Hyg 1986; 35: 1040–1044
- Al-Arabi M A, Hyams K C, Mahgoub M, El-Hag A A, El Ghorab N. Non-A, non-B hepatitis in Omdurman. Sudan. J Med Virol 1987; 21: 217–222