Pedro Gullón
Social epidemiologist and doctor specialising in preventive medicine and public health at the University of Alcalá
Mandatory facemask wearing on public transport is unlikely to have any great effect on covid-19 transmission at present, when it is the only place where it is mandatory. It is inconsistent that, with all the recovered activity and activities with the potential to be supercontagious events taking place every week, it should be maintained on public transport. Moreover, its use is declining quite a lot and when the population does not accept a measure it can end up falling by itself.
On the other hand, I am extremely concerned that a government that cares about public health does not put climate change and a transport transition to healthier options at the heart of its policies. This means investing in getting more people to use public transport and not publicly portraying it as a place of risk, when the data says that, compared to other places, public transport is not the most spread out place.