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Respiratory pathogen detection among hospitalized patients in 2019.12-2023.12. (A) Respiratory pathogen detection rate from December 2019 to December 2023. (B) Differences of positive rates of each respiratory pathogen in four time periods from December 2019 to December 2023. Positive rate refers to the frequency of positive detections in the current year. Positive proportion refers to the positive detection of a pathogen in the positive detection of all 13 pathogens.
