This Monograph brings together a truly international group of experts to consider areas such as: long-term sequelae in airway disease, interstitial lung disease, and in the immunocompromised; therapeutics in the community, in hospital and in the intensive care unit; and the pathophysiology and management of long COVID. The Guest Editors also consider the impact of COVID-19 on clinical research and scientific publishing, as well as looking to the future, considering what can be learnt from the pandemic.