The study encounters several limitations. Firstly, caution is required in analyzing three datasets of ISGS compared to two datasets from healthy tracheas using scRNAseq. Consequently, bioinformatics ...

Background: The 2009 pandemic H1N1 influenza A virus (pdm09) continue to evolve, and few studies have systemically analyzed the evolution, replication, and transmission of pmd09 viruses in China.