COPD Exacerbations Before and During COVID-19 in France, Germany, Italy, the UK and the US.
Fernando J MartinezAlberto PapiTobias WelteDave SinghDmitry V GalkinAlessandro GuasconiStefania PirondiGeorge GeorgesJoseph ImperatoRuben HermansPublished in: International journal of chronic obstructive pulmonary disease (2024)
Early, steep declines in exacerbation rates occurred in 2020 versus 2019 across all five countries and were accompanied by a loss of the seasonal pattern of exacerbation.