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. 2018 Jul 16;18:329. doi: 10.1186/s12879-018-3225-3

Fig. 1.

Fig. 1

Age distribution of HBoV1 infection in 11,399 pediatric patients hospitalized with acute respiratory illness. *Date was presented as HBoV1 positive rate (no. of HBoV1-positive patients/no. of patients in each group); m: months; y: year(s)