There was no significant difference on symptom and objective sign incidence rates between simple RSV infection and mixed infection(P>0.05).

单纯呼吸道合胞病毒感染与混合感染者症状、体征发生率亦无显著性差异（P>0.05）。

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There was no significant difference on symptom and objective sign incidence rates between simple RSV infection and mixed infection(P>0.05).

单纯呼吸道合胞病毒感染与混合感染者症状、体征发生率亦无显著性差异（P>0.05）。

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