We are having glorious spring days in London. It is strange and ironic that they are made all the more glorious because the pollution, noise and movement of the city have largely ceased.
 I don't propose to dispense medical opinion on this blog but I think I am stating a fact when I say that viruses generally don't flourish in the summer months. And that the human immune system usually becomes stronger as the days get longer and warmer. We must hope this may have some benefit in the present crisis.
 The garden is full of Narcissus Thalia at the moment, which to my eye is one of the most elegant of the daffodils.