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Figure 4 | BMC Veterinary Research

Figure 4

From: Transmission dynamics of hepatitis E among swine: potential impact upon human infection

Figure 4

Estimation of the force of infection of hepatitis E virus in Japan. A. The map of three geographic locations in Japan (drawn by the authors). B. Compartment of the catalytic model. Susceptibles at age a, S(a), are infected at a rate λ and then enter into the compartment, infected, I(a). C. Schematic illustration of the time delay to seroconvert. If the time of seroconversion t 0 and possible time of exposure t k are given, probability of exposure at time t k can be extracted by g(t 0-t k), where g(t) is the probability density of the time required for seroconversion at t days after infection. See eqs. 9 and 10 for statistical details.

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