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Fig. 4 | BMC Medicine

Fig. 4

From: The positive externalities of migrant-based TB control strategy in a Chinese urban population with internal migration: a transmission-dynamic modeling study

Fig. 4

Model estimated fraction of new TB cases in 2020. The color represents the new TB cases due to LTBI reactivation (green), recent Mtb infection (orange), and prevalent TB among individuals migrating into Songjiang (blue), by age and migrant status (panel a, resident TB; panel b, migrant TB). The blue region in panel a represents residents who enter Songjiang from other districts in Shanghai. The polygon shows the distribution of new TB cases by age and the histogram presents the average of new TB cases from the three contributors. Faded color and border line represent the 95% uncertainty intervals of fraction

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