I have read that the COVID stays in the air much longer when it has lots of fine particles to adhere to, and that this could have been a major factor in its early widespread propagation, in Wuhan and in Lombardy in particular. Likely Ile de France and London too.

Luckily, the air has become a whole lot cleaner these last couple of weeks.

_{It is rightly acknowledged that people of faith have no monopoly of virtue - Queen Elizabeth II}