Article info

Download PDFPDF
COVID-19 and ‘basal’ exacerbation frequency in COPD


  1. Correspondence to Professor John R Hurst, UCL Respiratory, University College London, London NW3 2PF, London, UK; j.hurst{at}
View Full Text


Cheng DO, Hurst JR
COVID-19 and ‘basal’ exacerbation frequency in COPD

Publication history

  • Accepted December 4, 2020
  • First published December 22, 2020.
Online issue publication 
April 16, 2021

Article Versions

Request permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.