Notably, the incidence of positive BALF cultures in infants aged 0 to 12 months showed a decreasing trend over the years, whereas the incidence in children aged > 3 years showed an increasing trend.
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Dynamic analysis of the epidemiology and pathogen distribution of bronchoalveolar lavage fluid in children with severe pulmonary infection: a retrospective study.
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The sentences
The infection rate of fungi was the highest in 2018 and 2019, followed by a decreasing trend from 2020 to 2023.