Streptococcus pneumoniae(2) influenza A virus infection(1) host defence(1) NECs(1) Beclin1(1) Pseudomonas aeruginosa(1) regulatory T cells(1) miRNA-16(1) severe community-acquired pneumonia(1) alveolar phagocytes(1) ATXN2L(1) PI3K/Akt signaling pathway(1) Staphylococcus aureus(1) allergic rhinitis(1) phagocytosis(1) in vivo microscopy(1) long noncoding RNA HCP5(1)