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. 2009 Apr 21;4(4):e5247. doi: 10.1371/journal.pone.0005247

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Xiridou et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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The plot shows the prevalences of HBV (solid line) and hepatitis D (dashed line) in a population where both viruses are circulating and the prevalence of HBV in a population where only HBV is circulating (grey dotted line). A. The transmission probability of acute hepatitis D () was varied from 0 to 0.8 and that of chronic hepatitis D ()was 0.65 times that of acute hepatitis D. B. The percentage change in HBV infectivity in those dually infected (compared to those with single HBV infection, , for j = 1, 2) was varied from −100% to +50%. C, D. As in plots A, B, but assuming that HBV carriers who are superinfected with hepatitis D do not re-enter acute HBV (using equations (2) instead of the last two equations of system (1)).

Inline graphic — The plot shows the prevalences of HBV (solid line) and hepatitis D (dashed line) in a population where both viruses are circulating and the prevalence of HBV in a population where only HBV is circulating (grey dotted line). A. The transmission probability of acute hepatitis D () was varied from 0 to 0.8 and that of chronic hepatitis D ()was 0.65 times that of acute hepatitis D. B. The percentage change in HBV infectivity in those dually infected (compared to those with single HBV infection, , for j = 1, 2) was varied from −100% to +50%. C, D. As in plots A, B, but assuming that HBV carriers who are superinfected with hepatitis D do not re-enter acute HBV (using equations (2) instead of the last two equations of system (1)).