By Michael Le Page
Ventilation must be improved in buildings and aeroplanes to reduce the risk of covid-19 spreading via the air, according to recommendations from several organisations, including the European Union Aviation Safety Agency. However, it is unclear if this advice is being followed.
We know the coronavirus can spread via air, but there is still debate about the details and how much this form of transmission contributes to the disease’s spread. What is clear is that the risk is greatest if you …