The positive detection rate of hPIV showed a decreasing trend year by year, and the mean detection rate of hPIV was higher between 2018 and 2019 (3.10%) than between 2020 and 2022 (1.77%), with a statistically significant difference ( P < 0.001).
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The Impact of Non-pharmacological Interventions Measures Against COVID-19 on Respiratory Virus in Preschool Children in Henan, China.
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