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Fig. 2 | BMC Medicine

Fig. 2

From: A serological framework to investigate acute primary and post-primary dengue cases reporting across the Philippines

Fig. 2

Determining primary and post-primary DENV immune status among active DENV cases. a Histogram of individual IgG:IgM ratios among active DENV cases by disease day. b Mixture model of IgG:IgM ratio distributions with 2 components representing primary and post-primary subpopulations. c Modelled classification probability of being a primary or post-primary DENV case by disease day. Black dash: lowest ratio value with a classification probability of being post-primary>primary (Dd3, 0.44; Dd4, 0.44; Dd5, 0.47). N/A, no statistical justification for two mixture model components (1-component model AIC<2-component model AIC); Dd, disease day

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