biostudies-literatureUnknown9(1)Lu TNational Natural Science Foundation of China (National Science Foundation of China)Cell discovery121https://www.ebi.ac.uk/biostudies/studies/S-EPMC10698024biostudies-literatureMultiple-cohort study of the elderly to determine the immunological characteristics and pathogenic mechanisms of severe community-acquired pneumonia caused by the low-virulence virus SARS-CoV-2 Omicron variant.PMC106980248229364382293640Liu XMan QLu LXiong LLu TFu YXia SJiang SYan YYu XLiu WfalseMultiple-cohort study of the elderly to determine the immunological characteristics and pathogenic mechanisms of severe community-acquired pneumonia caused by the low-virulence virus SARS-CoV-2 Omicron variant.2023-01-01T00:00:00Z2023 Dec2025-04-05T13:01:26.293Z2025-04-05T13:01:26.293ZS-EPMC106980243805283810.1038/s41421-023-00626-z