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Fig. 2 | BMC Infectious Diseases

Fig. 2

From: Construction of the influenza A virus transmission tree in a college-based population: co-transmission and interactions between influenza A viruses

Fig. 2

Constructed transmission tree of influenza A virus: a The relative frequency of the generation intervals; b The average case reproduction number R t as it varies with time. Bars represent 95 % nonparametric bootstrap percentile confidence intervals generated from one million possible transmission trees sampled from the contact probabilities listed in Table 1

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