| Recruiting | 3 | 20000 | Europe, Canada, Japan, US, RoW | Ceftriaxone, Moxifloxacin or Levofloxacin, Piperacillin-tazobactam, Ceftaroline, Amoxicillin-clavulanate, Standard course macrolide, Extended course macrolide, No systemic corticosteroid, Fixed-duration Hydrocortisone, Shock-dependent hydrocortisone, Fixed-duration higher dose Hydrocortisone, No antiviral agent for influenza, Five-days oseltamivir, Ten-days oseltamivir, No antiviral agent for COVID-19, Lopinavir / Ritonavir, Hydroxychloroquine, Hydroxychloroquine + lopinavir/ritonavir, Ivermectin, No immune modulation for COVID-19, Interferon beta-1a, IFN-β1a, Anakinra, Tocilizumab, Sarilumab, Local standard venous thromboprophylaxis, Therapeutic dose anticoagulation, Conventional low dose thromboprophylaxis, Intermediate dose thromboprophylaxis, Continuation of therapeutic dose anticoagulation, No immunoglobulin, Convalescent plasma, Delayed administration of convalescent plasma, No vitamin C, Vitamin C, No antiplatelet, Aspirin, acetylsalicylic acid, P2Y12 inhibitor, Clopidogrel, Prasugrel, Ticagrelor, No simvastatin, Simvastatin, Eritoran, Apremilast, Clinician-preferred mechanical ventilation strategy, Protocolised mechanical ventilation strategy, No renin-angiotensin system inhibitor, Angiotensin converting enzyme inhibitor, Ramipril, Lisinopril, Perindopril, Enalapril, Trandolapril, Captopril, Angiotensin Receptor Blockers, Losartan, Valsartan, Candesartan, Irbesartan, Telmisartan, Olmesartan, ARB + DMX-200, No cysteamine, Cysteamine, Fixed-duration dexamethasone, Baloxavir Marboxil, Five-days oseltamivir + baloxavir marboxil, Ten-days oseltamivir + baloxavir marboxil, No endothelial modulator, Imatinib, No Immune Modulator for Influenza, Baricitinib, Nirmatrelvir/ritonavir, Paxlovid, Remdesivir, Nirmatrelvir/ritonavir + remdesivir | UMC Utrecht, Australian and New Zealand Intensive Care Research Centre, Medical Research Institute of New Zealand, Unity Health, Berry Consultants, Global Coalition for Adaptive Research, University of Pittsburgh Medical Center, Intensive Care National Audit & Research Centre, St. Marianna University School of Medicine, Nat Intensive Care Surveillance - MORU, National University Hospital, Singapore | Community-acquired Pneumonia, Influenza, COVID-19 | 02/26 | 02/28 | | |