Abstract

ObjectiveTo optimize the medication administered to children with influenza, we evaluated the effectiveness of peramivir in hospitalized children with influenza A/H3N2 and influenza B/Victoria. MethodsA retrospective study was conducted from October 2019 to March 2020 in children aged 29 days to 18 years with influenza A/H3N2 or B/Victoria. A total of 97 patients were enrolled and treated with intravenous infusion of peramivir. ResultsThe duration of influenza virus nucleic acid positivity in the influenza A/H3N2 group (3 days) was shorter than that in the influenza B/Victoria group (4 days) (P = 0.008). The remission time of fever symptoms in the influenza A/H3N2 group was 14 h, which was significantly shorter than that in the influenza B/Victoria group (26 h) (P = 0.042). In the 6–18 years age group, the median duration of virus nucleic acid positivity for children with influenza B/Victoria (4 days) was longer than that for children with influenza A/H3N2 (2 days) (P = 0.005). The incidence of adverse drug reactions (ADRs) with peramivir in the influenza A/H3N2 group and the influenza B/Victoria group was 2.04% (n = 1/49) and 4.17% (n = 2/48), respectively (P = 0.617). ConclusionsA difference in the effectiveness of peramivir against different subtypes of influenza was observed. Compared to those infected with influenza B/Victoria, the children infected with influenza A/H3N2 experienced a significantly shorter duration of influenza virus nucleic acid positivity and remission time of fever symptoms.

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