RT Journal Article SR Electronic T1 Immune responses to SARS-CoV-2 in the lung JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP thoraxjnl-2021-217231 DO 10.1136/thoraxjnl-2021-217231 A1 Prabhu S Arunachalam YR 2021 UL http://thorax.bmj.com/content/early/2021/06/03/thoraxjnl-2021-217231.abstract AB