pneumoniae as the representative strain of community-acquired pneumonia, an increasing trend was observed in 2018 and 2019 before the COVID-19 pandemic, and there was a gradual reduction from 2020, which lead to lead a 72.6% reduction in 2021 when compared to 2019.
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Changes in Respiratory Pathogens before and after the COVID-19 Pandemic (2018-2021).
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The sentences
The number of respiratory samples showed a trend of annual increase until 2019 before the COVID-19 pandemic, while a reduction of 6.7% was found after the COVID-19 pandemic.