Rory J O’ConnorRory J O’ConnorManoj SivanManoj SivanStephen J. HalpinStephen J. HalpinJoh Kend0000-0001-7017-5015 AmaouiBollini, AndreaJohnson James2023-09-042023-09-042020-10-09https://dspacecris7.4science.cloud/handle/123456789/693We thank Dr Garg and colleagues for their interest in our work and their useful comments.1 We agree that our cohort of hospitalised patients is correspondingly older, more likely to have had severe disease and have more comorbidities than groups whose primary COVID-19 infection was mild and managed in the community. This article is protected by copyright. All rights reserved.2019-20 coronavirus outbreakmedicine.medical_specialtyCoronavirus disease 2019 (COVID-19)Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)educationSevere diseaseComorbidityCohort Studies03 medical and health sciences0302 clinical medicinePost-Acute COVID-19 SyndromeVirologymedicineHumans030212 general & internal medicineIntensive care medicineLetter to the Editorbusiness.industrySARS-CoV-2COVID-19VirologyUnited KingdomHospitalizationInfectious DiseasesCohort030211 gastroenterology & hepatologybusinesstext::journal::letter to the editor