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We formulate a minimum virus infection model aiming at explaining why two acute hepatitis B virus (HBV) infected chimpanzees with low dose HBV DNA inoculation resulted in either prolonged or persistent infections. This model has four variables: number of uninfected cells, number of infected cells, number of free virus (HBV DNA), and number of cytotoxic T lymphocytes (CTL) cells. The equation includes...
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