China’s zero-Covid policy must be a cautionary tale for the UK

As we greet the new year with the hope of more serene times ahead, some might do it with a measure of doubt and trepidation for a variety of reasons, one of them being the government’s decision to resurrect Covid-19 restrictions.   Admittedly, it is in a very limited form and only affects arrivals from China. For […]

How mathematical models attempt to predict the spread of disease

The various pronouncements on coronavirus are a source of puzzlement to many. On the one hand there are lurid predictions of millions of cases and hundreds of thousands of deaths. On the other, while the actual numbers are growing, they seem tiny so far compared to the scale of the predictions. Almost 100 years ago, […]