Comparing data from the pre-COVID-19 period (1 month before 15 March 2020, the date of the national lockdown announcement) to data post-lockdown, there was a 3.9% (p<0.001) increase in adherence from a mean value of 386 min per night pre-COVID-19 to 401 min per night during lockdown. These data were confirmed by comparing the CPAP adherence rate during the first month of lockdown (15 March 2020 to 15 April 2020) to CPAP adherence during the same time-period in 2019, with a 4.48% increase during

A letter to the editor explaining the how many forms of oxygen delivery devices play a role in increasing dispersion of the virus and potentially increase the risk of nosocomial infection.